The theory involves lawsof preparation, laws ofp ractice, lawsofeffect.
其学习规律理论主要包括：准备律、习律和效果律。
2
The aim of the agreement was to prevent the improper use of the country's bank secrecy laws, and its effect was to curb severely the system of secrecy.
该协议的目的是防止人们不恰当地使用该国的银行保密法规，它的效果是严厉遏制保密制度。
3
The traffic laws don't take effect until the end of the year.