gear one’s study to practical use; learn(/study) sth in order to use (/apply) it; put into practice what has been learned;study for the purpose of application ❍ 我们要理论联系实际，～。We should combine theory with practice and study for the purpose of application.
学以致用
studying for the purpose of application;studying something in order to apply it
学以致用
study for the purpose of application;study sth in order to apply it
学以致用xué yǐ zhì yònɡ
所学习的知识要能用于实际。study sth. in order to apply it, learn for practice