There are things that happen and leave no discernible trace, are not spoken or written of, though it would be very wrong to say that subsequent events go on indifferently, all the same, as though such things had never been.

人类有一件真正有力的武器，那就是笑。

奥林匹克运动会是四年一度的人类的春天的庆祝活动。

Healthy relationships are built on mutual respect, trust, and the ability to communicate openly and honestly.

农业成功的真正标准不仅是产量，还有生产它的生态系统的健康。