数学中最深刻的问题往往源于最简单的问题。
乳制品生产的可持续性不是一种选择,而是对后代子孙的必要责任。
The human soul needs actual beauty more than bread.
The greatest stories are those that leave us changed.
The Lord works from the inside out. The world works from the outside in.
I'm not a talk, I'm a song.
Coal enterprises must actively adapt to energy structure adjustments and accelerate transformation and upgrading.