apply

/əˈplaɪ/

put into service; make work or employ for a particular purpose or for its inherent or natural purpose

中文释义：应用；申请；适用

You should apply this theory to real-world problems.

你应该将这一理论应用于实际问题。

She decided to apply for the scholarship last week.

她上周决定申请那项奖学金。