Most photo experts will tell you that the picture Joe Rosenthal made is almost perfect.

VOA: special.2010.05.31

The question of providential justice is of course of primary significance to Milton's poem, but Hartman goes on to say that the moon, which reminds us of a calm and perfect sense of Providence, also works to guarantee the principal of free will.

这里，关于天佑的公平的问题,是其对于弥尔顿的诗最基本的重要性，但是哈特曼接着又说月亮是，这提醒了我们天意的冷静和完美感，月亮在这儿也是为了保障自由意志的原则。

耶鲁公开课 - 弥尔顿课程节选

She gave me some important information that will help me find the perfect lens.

VOA: special.2009.07.18

"The stadium is perfect for 2010" This stadium will host seven Cup matches.

VOA: standard.2010.06.02

"There is no perfect contraceptive method, so there will always be abortion."

VOA: standard.2010.06.24