In exchange, China has agreed to buy a lot more American products while making some changes in its own economy.

作为交换，中国同意购买更多美国产品，同时对本国经济做出改变。

I think it's very easy to be convinced by online ads that you need a lot more products than you really do.

我认为很容易被在线广告说服，即你需要的产品比实际需要的要多得多。