You have a one-way ticket, don "t waste it."

人生在世，你只有一张单程票，别浪费了它。

youdao

When he didn't get any replies, he bought a one-way ticket to Beijing.

CNN: From Our Correspondent: Hip Hop Reality

Obama does Rebublicans, and I don't think the shape of the ticket will affect that one way or the other.

NPR: Strategists: Race Is Over, But Obama Needs Clinton

These don't have to be held in the same way they were in the old days, when one ticket allowed you to watch back-to-back games on a Sunday afternoon.

FORBES: Two Solid Hits Needed