保持健康，不要失去勇气。
keep fit and don't lose your nerve.
我对黑暗感兴趣。如果你不走进黑暗，你永远看不到光明。
We don't inherit the earth from our ancestors; we borrow it from our children.
渔业管理的创新可以创造环境和经济效益。
The causal model is the key to making sense of the world.
我最大的幸福就是能够用歌声感动别人。