precaution的电影例句

It's okay, it's not as bad as it looks, it's a precaution.

Anyway, I just have to wear this thing for the next few days just as a precaution.

we've done this, it's been for clients with a high probability of catastrophic health failure as a precaution

Scotty has been taking birth control, but as an extra precaution against STDS, please use the condoms