And so what you want to do, basically drawing upon the law of effect, is reinforce the pig for doing good things.

你所要做的就是，应用效果律，强化这头猪做出的令你满意的行为。

耶鲁公开课 - 心理学导论课程节选

The pig is going to do some things you like and some things you don't like.

这头猪会做些令你喜欢的事情,也会做些让你不满的事情。

耶鲁公开课 - 心理学导论课程节选

Visionaries see a future in which things like household rubbish and pig slurry will provide the fuel for cars and homes, doing away with the need for dirty fossil fuels.

ECONOMIST: Talking rubbish

To survive the outbreak and the price crash, pig farmers either had to sell out to bigger companies, hold out hope that things would get better or specialize in up-market cuts of pork.

NPR: Family Farms Lose Out on Upswing of Pork Exports

And in the "well-dressed greens and things" section, there are salads that range from one made with fried pig's ear to another composed of avocado, oranges and roasted carrots.

WSJ: Spring's Tasty Cookbooks