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

Every book is a journey, and every journey could become a book.

"Language is both a weapon and a wound; it depends on who holds the pen."

If you want to get smart, the question you have to keep asking is 'why, why, why?'

Passion is the fuel that keeps you moving forward.

想得大，想得遠。

能源安全就是國家安全。