价值链是通过其创造并将产品或服务交付给客户的一系列活动。
The future of the coal industry lies in cleanliness, low-carbon, and intelligence.
The waterfall sing, I find my song, when I find my freedom。
孩子完全接受——甚至渴望——家规。「在我们家,我们对 X 有一个规矩」是家长设立家庭规范时所需的唯一理由。事实上,「我对 X 有一个规矩」是你给自己设定规范所需的唯一理由。
"Life is a series of choices, and the ones you don't make are just as important as the ones you do."