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

When you want to succeed as bad as you want to breathe, then you'll be successful.

技術應該讓我們成為更好的管理者，而不是更高效的掠奪者。

The one element which is of first importance in scientific management is the task idea.

下一代不會問我們說了什么，而是問我們做了什么。