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

遺忘比絕望更強有力。

煤炭行業的可持續發展需要政策、技術、市場協同發力。

The strength of a team lies in its diversity of thought and unity of purpose.

Every tree we plant today is a legacy for tomorrow.

煤炭行業不僅僅是挖掘地面，更是為未來提供動力。

Old minds are like old horses; you must exercise them if you wish to keep them in working order.

The metropolis exacts from man as a discriminating creature a different amount of consciousness than does rural life.