Nature tends to produce constancy in all her works, but she does not always succeed.

重构程序的最好方法是重构它。

The worst way to miss someone is to be sitting right beside them knowing you can‘t have them。

可持续性不是一种选择；它是农业未来的必需品。

天然气在能源转型中的作用再怎么强调也不为过。