But if people continue to eat and drink avariciously, and on the other hand do nothing to maintain the animal populations, then--not to mention the humanitarian considerations--in the end there really will be nothing left to eat but chickens, ducks, pigs, and cows.
但是如果人們一方面大吃、大喝，一方面又不維護動物族群，別說道義上說不過去，最後就真的除了雞、鴨、豬、牛，想嘗嘗鮮、換換口味也難。