All the efforts you made will pay off, at last.

　　一切的努力付出都是值得的。

　　Still, the company expects its investment will pay off.

　　不過，該公司預計其投資將會取得回報。

　　Be patient, it will pay off in the end.

　　耐心點，不久會有回報。

　　In the long run, your integrity will pay off.

　　從長遠的觀點來看，你的正直會有報償的。

　　He managed to pay off his debts in two years.

　　他設法在兩年內還清了債務。

　　Work a few years, pay off some debts.

　　工作個幾年，還清債務。