That means it is easier for planes with only two engines to strike a flock of birds and lose power in both engines.

VOA: special.2009.04.01

In order to fill their own bellies, so greedy are they, they intruded into the church's fold and devour for themselves -this is how the allegory works -devour for themselves the nourishment that of course they should be sharing with their flock.

为了填满他们的欲望，他们挥霍了教会的资金,这就是讽喻的含义,在自我满足中尽情的挥霍,当然他们需要与自己的信徒共享。

耶鲁公开课 - 弥尔顿课程节选

The true ruler," he says "is one who is like a shepherd with a flock, but he rules not for the benefit of the flock but, of course, for his own interests, " the good of the shepherd."

他说：，“真正的统治者,是牧者，但规则不是要造福牲畜,而是他自身的利益，对牧者要有好处“

耶鲁公开课 - 政治哲学导论课程节选