房子是一座小城市，城市是一所大房子。
The house is a small city, the city is a large house.
Adaptability is the key to survival in a fast-changing market.
The strength of steel is matched only by the strength of the people who make it.
过去是一个异国；他们在那里做事的方式不同。
The best way to gain self-confidence is to do what you are afraid to do.
我们今天开采的矿物也必须服务于后代的需求。