求翻译：However, not all TV ads are helpful. Some are even harmful. There are so many TV ads that people grow tired of them. because some TV ads are not objective but subjective, not informative but persuasive. The only purpose of these TV ads is to persuade people to buy their poorly-made products. Therefore , it is wise for people to make sure if the ads are telling the truth.是什么意思？

待解决 悬赏分：1 - 离问题结束还有