△purpose 【n.意圖、目的 / vt 打算、企圖（做）、決意（做）】

What’s your purpose in doing this?

The purpose of the meeting is to elect a new president.

His purpose is to graduate from the medical school and become a great doctor.

(do sth) on purpose

for the purpose of … : for … purpose

with the purpose of

Did you come to London for the purpose of seeing your family or for business purpose?