If left untreated, the condition may become chronic.

如果得不到治疗，此病可能会转成慢性。

《柯林斯英汉双解大词典》

Industry may disappear if the manufacturing economy remains on a downswing.

如果制造业持续下滑，工业可能会不复存在。

《柯林斯英汉双解大词典》

I'd like the use of your living room, if I may.

如果可以，我想用用你的起居室。

《柯林斯英汉双解大词典》

If you suspect that seeds may be diseased, place them in water at fifty degrees Celsius for twenty minutes.

VOA: special.2009.03.03

It is not in the least to assert that no references may be distorted if advantage can thereby gained.

并不是为了能得到好处,而说所有的参考都是真实的。

耶鲁公开课 - 文学理论导论课程节选

So strong and far reaching are these rights that they raise the question of what, if anything, the state may do.

这些权利如此强大，如此深远,以至引发一个问题，如果有的话，政府可以做什么。

耶鲁公开课 - 公正课程节选

Although he has stopped short of explicitly ruling out talks with the Conservatives and Liberal Democrats if May's election is inconclusive, Mr Jones has said it would be "difficult" to form a coalition with them in the assembly because of their parties' actions in Westminster.

BBC: Plaid Cymru leader Ieuan Wyn Jones's election message

Instead they would look at countries like China, Singapore, Hong Kong, while the more daring ones may put money in Vietnam, even if they may be worried about the macroeconomic situation there.

WSJ: Managing in Asia: Liew Mun Leong: Singapore's CapitaLand Sees Plenty of Spark in China

And if I may, sir, on an unrelated topic, if I could get your reaction to Prime Minister Netanyahu's comment that the P5-plus-1 had given Iran a freebie with this additional time.

WHITEHOUSE: President Obama and President Santos Hold a Press Conference | The White House