The talent for being happy is appreciating and liking what you have, instead of what you don't have.
欣赏和喜欢你拥有的东西,而不是你没有的东西,你才能快乐。
写作的行为是一种乐观的行为。如果你觉得这无关紧要,你就不会费心去做。
Technology will redefine how we extract and utilize coal resources.