It would be useful if you could nail down the source of this tension.

如果你能弄清这种紧张情绪的根源，会是有用的。

《柯林斯英汉双解大词典》

It strikes me that learning and teaching this culture could be a big part of PR 2.0.

它打动我的地方在于，学习和教授这样的文化可以成为公关2.0中很大的一部分。

youdao

If a message is received from outer space, it could be compared against this database.

如果收到来自外太空的消息，则可以将其与该数据库进行比较。

youdao

This was it. What could be an impossible effort in the history of spaceflight was ready to lift off on its final chance for success.

VOA: special.2009.07.01

+4 Because this could be three plus four, 3 times five, or it could be three, plus four times five.

因为这可能是，然后乘以5，也可能是，加上4乘以5。

麻省理工公开课 - 计算机科学及编程导论课程节选

If this were to be an absolute zero Kelvin, then we could we can have something, T2 Sorry, it's T2.

如果它等于绝对零度，我们可以，对不起，这是。

麻省理工公开课 - 热力学与动力学课程节选

If France no longer seems to command the world's attention as it did a few years ago, could this be because it lost its singularity when Mr Sarkozy returned the country fully to NATO in 2009, reversing Charles de Gaulle's 1966 withdrawal from its military structure?

ECONOMIST: France's foreign-policy woes

The big question will be what round this occurs in whether it could be as early as the second or third quarters of this year, or whether it will be the fourth quarter or later.

FORBES: 2012 Outlook: PGMs To Be On Defensive In Early 2012; Recovery Will Hinge On Economy

This could be because it involves complicated or special arrangements.

ECONOMIST: The travel industry