Coal will remain a vital energy source, but only if we evolve with the times.

一个好的广告应该像一篇好的布道；它不仅必须安慰受难者，还必须使舒适者感到不安。

In Russia, the severity of laws is compensated for by the fact that it is not necessary to execute them.

Every decision we make today echoes in the marine ecosystems of tomorrow.

如果你没有失败，说明你不够努力。

教学应始终适应学生的发展阶段。