和田男人割包皮正常吗和田30岁不能勃起,和田月经量少而且是黑色的怎么回事,和田去哪家医院做阴道紧缩好,和田如果包皮不割会怎样,和田怀孕多久可以了用试纸测出来,和田治疗包皮过长要多少钱,和田包皮长手术应该多少钱

But he admitted the system needs 10,000 to 20,000 students' continuous usage data to present an accurate result.

But he had to also deal with a few challenges such as pronouncing correctly the Chinese names of people and places－things that foreigners find difficult.

But it also can mean "compel", "request" or "demand".

But Reuters says the problem is a new one for electronic reading devices, and it is one that Amazon will have to address in order to maintain its lead in e-readers.

But international brands still score better among customers in terms of comfort, prestige and technology, and it will be some time before Chinese brands are able to position themselves realistically as luxury alternatives.