permanence = per(始终) + man(手) + ence(状态) = 始终握住某物的状态→永久
permanent = per(始终) + man(停留) + ent(…的) = 一直停留下去的→永久的
We're trying to persuade the manufacturers to sell them here.
She was persuaded by a group of friends to get up on stage.
Then we will need a compelling voice to persuade them.
vt. to persuade sb that … ：使某人相信…；使某人信服…
We had managed to persuade them that it was worth working with us.
Derek persuaded me of the feasibility of the idea.
vt. to persuade sb to do sth：使某人做某事
The Conservative Party's victory in April's general election persuaded him to run for President again.
Seldom, there is external power to persuade you to study.