一家美国调查公司Nielsen报告称，电话用户的月通话时间在2010年已经下降到700分钟，这其中还包含了呼入的时间。

Nielsen, a research firm, reports that the amount of time mobile subscribers talk has dropped to 700 minutes per month in 2010. That includes incoming calls.

youdao

一家美国调查公司Nielsen报告称，电话用户的月通话时间在2010年已经下降到700分钟，这其中还包含了呼入的时间。

Nielsen, a research firm, reports that the amount of time mobile subscribers talk has dropped to 700 minutes per month in 2010. That includes incoming calls.

youdao