1.plan for 為…做安排

How are you going to plan for the future?
你未來將作何打算？

Our motto is "Plan for the worst and hope for the best".
我們的格言是“做最壞的打算，抱最大的希望”。

2.stem from 來自，起源于

Correct decisions stem from correct judgements.
正確的決心來源于正確的判斷.

He told the magazine in an exclusive interview: "All my problems stem from drink".
他在接受一家雜志社的獨家采訪時說：“我所有的問題都是飲酒造成的。”

3.pledge to 承諾

Will the markets reward the government for its a pledge to eliminate public borrowing?
市場是否會因英國政府承諾消除赤字而對之進行獎賞？

That said, mr papandreou's sudden pledge to hold a referendum is a mistake.
即便如此，帕潘德里歐突然承諾舉行公投也仍是一個錯誤。