When answering this question, you can talk about why people sometimes buy unnecessary things. You might mention factors like advertising, social influence, emotional shopping, or the desire to keep up with trends. Sometimes people buy things on impulse or because they think it will make them happy, even if they don’t really need them. You can also discuss how easy online shopping makes it to buy things without much thought.

回答这个问题时，你可以谈谈人们为什么有时会购买不必要的东西。你可以提到广告、社会影响、情绪购物或跟随潮流的欲望等因素。有时人们会冲动购物，或者因为他们认为买这些东西会让自己开心，即使他们并不真正需要它们。你还可以讨论网购如何使人们在不经过太多思考的情况下轻松购买东西。