1. Americans tend to become trapped in a working and spending consumption mode, driven by merchants, that leads them to rack up their expectations.
    美国人往往会陷入一种由商人们所鼓吹的工作-花钱消费的模式之中，这种模式引诱他们抬高了自己的期望值。

2. It is not worth while to rack your brains over such a trifle.
    这样的小事不值得你伤脑筋。