The reason most people join social networks is because their friends are already there, all that other stuff just enhances their experience once they're in.

大部分人加入社交网络是由于他们的朋友已经在那里了；并且一旦他们加入，这将能增进他们之间的情谊。

youdao

There were evenings when they reached their rendezvous and then had to walk past one another without a sign, because a patrol had just come round the corner or a helicopter was hovering overhead.

一连好几个晚上他们到达约会地点却只能面无表情地与方擦肩而过，因为巡逻兵会从拐角处过来，要不就是直升飞机在头顶盘旋着。

youdao

Because there is a lag of several years between when people start using tobacco and when their health suffers, the epidemic of tobacco-related disease and death has just begun.

从人们开始使用烟草到其健康受到损害，中间会间隔若干年，因此，与烟草流行相关的疾病和死亡的激增才刚刚开始。

youdao

"People just ran from their homes because there was a huge wall of water, " one woman told the Russian News Service, a Moscow-based radio station.

CNN: July 9, 2012 -- Updated 0150 GMT (0950 HKT)

"There are people who are just doing their normal lives because they weren't affected, and then there are people who are devastated, " he said.

CNN: Hundreds missing at sea?in Thailand

"Firms are doing this to be flexible and regulate their labor force because there just isn't as much work anymore, " said James G.

CNN: For jobless lawyers, plan B includes good works