"So today,I state clearly and with conviction America's commitment to seek the peace and security of a world without nuclear weapons."

VOA: standard.2010.04.04

That's Dean. In this fantasy about the indigenous girls, what you see is a commitment to language and the activity of selling, buying and selling, entirely entwined with one another.

这就是迪安对那些本地女孩的幻想，你们从这语言中看到的是一个买卖东西，和相互眼神交汇的行为。

耶鲁公开课 - 1945年后的美国小说课程节选

At each stop, I have emphasized president Obama's message that our strategy working with you may be in a new phase, but we pledge our full and continuing commitment to Iraq and the Iraqi people.

VOA: standard.2009.04.25

When it was his turn to speak, Mr.Obama said old grievances in the hemisphere should be set aside, replaced by a renewed commitment to expand prosperity, security and freedom in the Americas, with all nations working as equals to confront common challenges.

VOA: standard.2009.04.17

At a media event on the eve of her official meetings here, Clinton said she believes Pakistan has, in the recent months, been making real efforts to curb extremists that have been operating on its territory: "In the past six months, in the course of working with the government of Pakistan, we believe that there is a commitment to fighting terrorism that permeates the entire government.

VOA: standard.2009.07.20

But no matter where the conflict is or what it's about, if you're serious about peace, you can't take as final the first 'no,' the second 'no' or even the hundredth 'no.'" In her statement, Secretary Clinton promised an "unwavering" U.S.commitment to a two-state solution, based on 1967 lines with agreed land swaps, that will create an independent and viable Palestinian state and an Israel with secure and recognized borders.

VOA: standard.2009.11.25