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

歷史學家必須公正，但不能冷漠。

"The most successful companies are those that can balance tradition with innovation."

The true genius shudders at incompleteness — and usually prefers silence to saying something which is not everything it ought to be.

"I think the best way to encourage children to read is to give them books that they can't put down."

“原則”是“偏見”的另一個名稱。

乳制品行業必須與技術一起發展，否則就有被淘汰的風險。

The best management is a true science, resting upon clearly defined laws, rules, and principles.