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

"Writing is not just a profession; it's a way of life, a means to explore the depths of human existence."

成功不是擁有的，而是租來的，而且每天都要付租金。

Please put my hands on the outside, let the world see coffin, great as I Caesar, after death is empty hands.

學習貴在專一，不以涉獵廣泛為能。

You have to spend some energy and effort to see the beauty of math.