9.　 Also important are the sales targets.

8.　 The boss can then choose the right product to produce , the one which is expected to be most popular with consumers.

7.　 All of these ads are meant to be helpful, and you can often learn a lot by following the advice they give.

6.　 Even if an ad does not lie, it does not mean it tells you the complete truth.

5.　 However, we still must be aware of the methods used in advertisements to try and sell us things.

4.　 China has strong laws to protect people from advertisements that lie or try to make people believe untrue claims about products or services.

3.　 PSAs are often placed for free, and are intended to educate people about health, safety, or any other issue which affects public welfare.

2.　 A commercial advertisement is one which someone has paid for to promote a product or service.

1.　 We are so used to them that we do not even realize how many we see and hear in a day.

48. have/keep/hold sth. in mind 把……记住

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