As a clean energy source, natural gas will play a significant role in China's energy structure adjustment.

当机会来临时，就要行动。

每次人们赞同我的时候，我都觉得自己一定错了。

The past explains the present - that is the fundamental premise of evolutionary psychology.

时刻准备着。你知道的越多，携带的就越少。

目标，无论是否达到，都使生命伟大。