水产养殖成功的真正标准是长期的环境平衡，而不是短期的收益。

Management brings benefits, details determine success or failure.

真相很少是纯粹的，也绝不简单。

每一部戏剧都是对逝去之物的葬礼。

You are too generous to trifle with me. If your feelings are still what they were last April, tell me so at once. My affections and wishes are unchanged, but one word from you will silence me on this subject for ever.

It is now clear that the hybrids form seeds which have the one or the other of the two differentiating characters.