27. If productivity measures the efficiency of an economy, a measure of what an economic system produces is its gross national product , which is the current market value of all final goods and services that a nation produces within a particular period.
28. Current wisdom says that （目前时尚的怎么看觉得）if you want a successful product, you need first to perform detailed2 market analysis, making sure that there are plenty of people who need the new product and that your entry into the market will be able to gain a significant share of that market.
29. Started at the turn of the century, 3M has been growing at a healthy rate of about 10 percent a year and it boasts of having 45,000 products on the market.
31. The extent to which the broadcast media should be censored3 for offensive language and behavior involves a conflict between our right as inpiduals to freely express ourselves and the duty of government to protect its citizenry from potential harm.
32. Although we may not have conclusive5 scientific evidence of a cause effect relationship, ample anecdotal evidence establishes a significant correlation6.
33. Moreover, both common sense and our experiences with children inform us that people tend to mimic7 the language and behavior they are exposed to.
34. Those who advocate unbridled inpidual expression might point out that the right of free speech is intrinsic to a democracy and necessary to its survival.
35. In sum, it is in our best interest as a society for the government to censor4 broadcast media for obscene and offensive language and behavior.
36. While inpiduals have primary responsibility for learning new skills and finding work, both industry and government have some obligation to provide them with the means of doing so.
37. The suggested reason for buying the car is obvious: it is the intelligent choice.（注意冒号的用法）
38. In conclusion, I agree that appeals to emotion are more powerful tools than arguments and reasoning for promoting products.
39. Advertising8 is obviously the most influential9 art form in this century; it is, therefore, tempting10 to think that it is the most important.
41. Requiring businesses to provide complete product information to customers promotes various consumer interests, but at the same time imposes burdens on businesses, government, and taxpayer11.
42. While I doubt that buildings determine our character or basic personality traits, I argue that they can greatly influence our attitudes, moods, and even life styles.
43. Numerous psychological studies show that different colors influence behavior, attitudes, and emotions in distinctly different ways.
44. Women differ fundamentally from men in childbearing ability; related to this ability is the maternal12 instinct a desire to nurture13 that is far stronger for women than for men, generally speaking.
45. In consumer driven industries, innovation, product differentiation14, and creativity are crucial to lasting15 success.
46. And in technology, when there are no conventional practices or ways of thinking to begin with, companies that fail to break away from last years paradigm16 are soon left behind by the competition.
47. Whether an inpidual saves too little or borrows too much depends on the purpose and extent of either activity.
48. The evidence suggests that, on balance, people today tend to concern themselves with only practical matters that are related to their life.
49. Traditionally, saving is viewed as a virtue17, while borrowing is considered as a vice1.
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