A sustainable future for coal depends on our ability to integrate cleaner practices without sacrificing the livelihoods of those who depend on the industry.
合作是解决复杂问题的关键。
解读：法律条文背后关联无数个体命运、生活片段，它守护每个人权益，不是束之高阁的理论，而是关乎日常权益的保障书。
Over the centuries the Indians developed sign language for communicating phenomena of interest. Programmers from different tribes (FORTRAN, LISP, ALGOL, SNOBOL, etc.) could use one that doesn't require them to carry a blackboard on their ponies.
你必须相信过程并相信自己，即使事情没有按照你的方式进行。
The purpose of a habit is to remove that action from self-negotiation. You no longer expend energy deciding whether to do it. You just do it. Good habits can range from telling the truth， to flossing