Graduates of study programs at most foreign medical schools may have to complete two or three years of residency, although there are exceptions.

VOA: special.2009.06.02

For example, I may have someone who promises to pay me $1 in one year or in two years or three years.

举个例子,有人对我承诺,在一年或者两年或者三年内支付我一美元

耶鲁公开课 - 金融市场课程节选

This outburst allows Milton to solve what may have seemed up to this point an insoluble conflict: the insoluble conflict between the two meanings of the word vocation that we've been exploring.

这种感情的迸发使得弥尔顿能够解决,一些难以解决的争端：,这种处在天命和才能两个释义之间的,进退两难的争端。

耶鲁公开课 - 弥尔顿课程节选

"In the U.S.,for instance, some researchers have projected that there may be a shortage of close to a million nurses by two thousand twenty."

VOA: special.2010.06.07

In Scratch, the block you may have used for this idea literally says "or" for or; in C, two vertical bars.

在Scratch中，这个你用的程序块,照字面地想法来说“or“表示或者;,在C语言中，是两个竖线。

哈佛公开课 - 计算机科学课程节选

Police say the two may have been transporting a home-made bomb.

VOA: special.2010.04.03

Here's one, "It is clear that the emergence of the hoplite was only the beginning of a lengthy process which certainly lasted more than a century, and may have lasted more than two centuries, leading to the creation of a close ordered hoplites only phalanx.

他说道,"很显然重装步兵的出现,仅仅是漫长战争史的开端,持续了多达一个世纪,甚至可能超过两个世纪,漫长的战争造就了列阵严整的重步兵方阵

耶鲁公开课 - 古希腊历史简介课程节选

Kaczynski has run an effective advertising campaign, and may well have gained ground over the last two weeks.

VOA: standard.2010.07.03

As many as 100,000 people may have died in the two wars between Russia and Chechnya since the collapse of the Soviet Union, but exact figures are not known.

VOA: standard.2009.03.26

U.N.children's agency in Somalia Deputy Representative Hannan Suleiman tells VOA that unlike countries like Yemen that may run out of water entirely in the next two decades, Somalia is thought to have plenty of water underground to sustain people for many generations.

VOA: standard.2009.10.06