It's important to recognize that there are significant inconsistences between countries and how children are protected.

必须承认不同国家对此的认识是不同的，在儿童的保护上做的也参差不齐。

The U.S. system of laws that have legal ages for doing something are very inconsistence; we have different laws for different activities.

美国的法律体系规定了做某事的法定年龄是非常不一致的；我们对不同的活动有不同的法律。