每个人都有不为世人所知的秘密悲伤；我们常常称一个人冷漠，其实他只是悲伤。

我相信想象力的力量可以改变世界。

Energy security is a crucial guarantee for national development. We must intensify technological innovation to enhance the efficiency of oil and gas exploration and production.

我只是想每天都变得更好。