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

我們能做的最佳投資就是為后代的健康而努力。

Be scrupulously truthful, even when truth is inconvenient, for it is more inconvenient when you try to conceal it.

I'm not a rapper, I'm a phenomenon.

痛苦是暫時的，但放棄是永遠的。

The beauty of topological insulators lies in their robustness; their surface states are protected by symmetry and topology, making them immune to certain types of disorder.

I always tell my kids, 'If you're going to do something, do it well. And if you're not going to do it well, don't do it at all.'