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

天生我才必有用。

The true cost of food isn't just what you pay at the store—it's what the planet pays over time.

In mathematics, truth is somewhere out there in a place we don’t yet know, and the only way we can hope to find it is by exploring.

It was the best of times, it was the worst of times.

愛情就像沙漏：當心空了，頭腦就開始填滿。