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

Lisp is worth learning for the profound enlightenment experience you will have when you finally get it; that experience will make you a better programmer for the rest of your days, even if you never actually use Lisp itself a lot.

解釋：局勢安定的國家，常常是富足的；局勢 動亂的國家，常常是貧窮的。

Quality is remembered long after the price is forgotten.

我總是相信自己能贏，但我知道這并不容易。

In business, you have to be willing to take risks, but they must be calculated risks.

改變是不可避免的，而成長是可選的。