Triple proofread everything you send out, from cover letters to emails to thank you notes -- even Facebook status updates and tweets.

由你经手的事情，要再三核对，无论是封皮、电子邮件或是感谢信，即使face book网络的身份不停的变换。

youdao

So we really are into triple digit interest rates just to cover the default rate alone.

FORBES: Why Payday Loans Are So Expensive

Dash claims that it needs about 1, 000 units in most cities to cover major routes, double or triple that for the largest US cities such as New York or Los Angeles.

ENGADGET: Switched On: Dash delivers open roads, open questions (Part 1)