人类对气候影响的信号已经从自然变化的噪音中显现出来。
The way she saw it, being free was nothing more than a hustle.
Safety and environmental protection are the lifelines of an enterprise and must never be neglected.
刚的东西容易折断,柔的东西因为可以卷曲所以不易折断。
行动是正确的,因为它们倾向于促进幸福;错误是因为它们倾向于产生与幸福相反的结果。