色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

If I waited for perfection, I would never write a word.

What we need to do is make batteries safer, more efficient, and more environmentally friendly.

"The only way to do great work is to love what you do."

我們不僅要造車，更要造好車。

The chemical industry is the backbone of modern civilization, and we must treat it with the responsibility it deserves.

如果你想要一幅未來的圖景，想象一只靴子踩在人臉上——永遠如此。