But if necessary can it defend it?

如果我们必须防守，我们能否守得住？

youdao

It said the Banks should try to get the money privately but if necessary they would have to turn to public funds.

声明说，银行应努力私下筹集资金，如有必要，可求助公共资金。

youdao

The second implication is your need to focus on getting more of certain nutrients into your system, preferably with food, but if necessary, with supplements.

第二层意义便在于，(你由此可意识到)对于某些特定营养成分，你需要集中摄入更多量——最好是通过食物摄入，当然，不得已时，也可通过其他营养补剂。

youdao

But they also made it clear that they are willing to act alone, if necessary, to pass a health care bill.

VOA: special.2010.02.27

If people are on the verge of dying, perhaps it is necessary to overlook that injustice, but I think it's important to keep in mind that we're still committing injustice by taking people's belongings or assets.

如果人们在死亡边缘挣扎，也许忽视这样的不公平是必要的，但我认为即使这样，我们依然要铭记,我们的行为不公正,这是在占有他人的财物或资产。

耶鲁公开课 - 公正课程节选

But medical help is necessary if the condition is more severe.

VOA: special.2010.07.27

But if the necessary political will exists, the T-TIP could be one of the most important contributions to the trans-Atlantic relationship and the global trading system in decades.

WSJ: Tom Donilon: The President's Free-Trade Path to Prosperity

To deter aggression, prevent coercion of allied or friendly governments and, ultimately, defeat aggression should it occur, we must prepare our forces to confront this scale of threat, preferably in concert with our allies and friends, but unilaterally if necessary.

CENTERFORSECURITYPOLICY: Center for Security Policy | The Measure of a Superpower: A Two Major Regional Contingency Military for the 21st Century | Page: 2

Nothing in the evolving global security environment suggests that the U.S. military will be unshackled from the basic requirement to deter if possible, but fight and win if necessary, two geographically separated major theater conflicts in overlapping time frames.

CENTERFORSECURITYPOLICY: Center for Security Policy | The Measure of a Superpower: A Two Major Regional Contingency Military for the 21st Century