And I urge you to please notice when you are happy, and exclaim or murmur or think at some point, 'If this isn't nice, I don't know what is.'

海洋的健康就是我们物种的健康——两者不可分割。

Energy security is the lifeline of national development. We must unswervingly promote oil and gas exploration and development to ensure national energy supply.

可以利用身体自身的防御机制来对抗癌症。

坚持与固执之间的区别在于一个源自坚强的意志，另一个源自坚强的拒绝。