We must balance the need for energy security with the urgency of reducing emissions.

I neither affirm nor deny， but I suspend my judgment.

What's left out is as important as what's included.

成功的真正标准在于我们如何提升我们所运营的社区。

对于非礼的事，上等到的士人根本不想；对于非礼的事，中等的士人从来不说；对于非礼的事，下等的士人紧闭门户。