Google +能够使得用户连接和管理朋友群组，根据ComScore公司数据，这使得他的用户在不足一周时间里，从500万达到2500万。

Google +, which lets people connect with and manage groups of friends, added about 5 million visitors in less than a week to reach about 25 million, according to ComScore.

youdao

由于包括对收到的邮件进行放射性照射，安检过程动辄需要一周或者更久，这使得这些邮件正好在爆炸前寄到。

That process, which involves radiating incoming mail, can easily take a week or more, making it likely the letters were mailed well ahead of the bombing.

youdao