According to the Center for Strategic and International Studies, about three quarters of the energy we use to move things, including ourselves, accomplishes no useful work.

战略与国际研究中心表示，包括我们自己在内，我们用来移动事物的能量中，约有四分之三的能量没有产生有用功。

youdao

Teresitaat is an expert in the Center for Strategic and International Studies.

特里西塔是国际战略研究中心的专家。

youdao

Sarah Mendelson is a Russia expert at the Center for Strategic and International Studies in Washington.

门德尔松是总部设在华盛顿的战略与国际问题研究所的俄罗斯问题专家。

youdao

Yet Nicholas Szechenyi of the Center for Strategic and International Studies says Washington's softer approach is not all soft.

VOA: standard.2009.11.10

The situation in Kandahar is going to get better, says Tony Cordesman of the Center for Strategic and International Studies.

VOA: standard.2010.05.28

That appears to be the situation in Iran as well, says Anthony Cordesman at the Center for Strategic and International Studies.

VOA: standard.2010.06.11

Mr. DAVID McGINNIS (National Security Analyst, Center for Strategic and International Studies): Thank you.

NPR: Critics Question Using Nat'l Guard Troops at the Border

Mr. JON ALTERMAN (Center for Strategic and International Studies): I've seen peacekeeping forces work.

NPR: Bush Calls for Peacekeepers �� But Where Are They?

He is currently a counselor and trustee at The Center for Strategic and International Studies in Washington, D.

NPR: The War on Terror, Five Years Later