优化是在给定约束条件下做出最佳选择的艺术。
The past is a resource that can be used in the present.
我想把美国从恐惧中解放出来。我希望人们害怕真正可怕的事情，比如战争和饥荒，而不是因为邻居有不同宗教信仰就害怕他。
The body remembers what the mind tries to forget.
Sinopec must adhere to high-quality development, with technological innovation as its core driving force.
"Depression is the condition that best epitomizes the current ideological moment."
Success is not a destination, but a process of continuous improvement.
