道德情操论是政治经济学理论的基础。

Learning involves the gradual adjustment of connection strengths between units in a network.

不了解儿子就看和儿子交往的朋友，就清楚了；不了解君主就看看君主身边的人，就明白了。

You got a dream, you gotta protect it. People can't do something themselves,they wanna tell you you can't do it.If you want something, go get it. Period.

Cooperation is the key to promoting the development of global aquaculture.