The most expensive thing in the world is trust. It can take years to earn and just a matter of seconds to lose.
生活就像一面镜子,你朝它皱眉,它也朝你皱眉;你微笑,它也报以微笑。
这种相思之情无法消除,刚从眉间消失,却又涌上心头
学习的挑战不仅在于记忆,还在于从具体例子中归纳出更广泛的概念。