可持续性不是一种选择;它是水产养殖唯一的前进道路。
There are things that happen and leave no discernible trace, are not spoken or written of, though it would be very wrong to say that subsequent events go on indifferently, all the same, as though such things had never been.
诸位到书院为何,哪里仅仅限于是搞学问和写文章,具有一种技艺与特长,便可算得上是读书成才之人;我对所追求的也不过分计较,不过就是为子为臣为弟为友,尽到五种人伦的职责,共同成为恪守礼教的正人君子。