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

Quality is more important than quantity. One home run is much better than two doubles.

Green and low-carbon transformation is an inevitable choice for the petroleum industry. While ensuring energy supply, we must actively promote clean energy development.

The best way to escape from a problem is to solve it.

老腦筋就像老馬；如果你想保持它們的工作狀態，就必須鍛煉它們。

人生是一場海難，但我們別忘了在救生艇上歌唱。