法律体系是根据其自身的有效性标准而有效的规则体系。
A legal system is a system of rules which are valid according to the system's own criteria of validity.
【释义】如果一个人不能做到孝敬父母,他也无法树立忠诚的品质。
我经常需要独处。如果我从周六晚上到周一早上独自一人在我的公寓里度过,我会非常高兴。这就是我如何给自己加油的。
I'm not a businessman; I'm a business, man!
The most successful companies are those that see challenges as opportunities to innovate and grow.
一个人能做的最好的事情就是帮助另一个人了解更多。