Experts say people who are concerned about mobile phones can take steps like using a wired head-set.
专家说那些关心的是像手机可以采取措施用免提装置。
Disadvantages can include a slower connection than a wired network and interference from other wireless devices, such as cordless phones.
缺点包括连接速度比有线网络慢，并且会受到其他无线设备(如无绳电话)的干扰。
I think this is real, 'he said, suggesting people used wired earpieces to talk on cell phones.
“我觉得这是真的，”他说。他建议人们在接打电话时使用有线耳机。
Cell phones are rapidly replacing wired lines for calls within the U. s., but high charges have kept people from using them much for international calls.
美国国内的手机正在逐步取代固定电话，但是由于高昂的国际电话费用使得很多用户不愿意使用手机打国际电话。
Cell phones are rapidly replacing wired lines for calls within the U. s., but high charges have kept people from using them much for international calls.
美国国内的手机正在逐步取代固定电话，但是由于高昂的国际电话费用使得很多用户不愿意使用手机打国际电话。
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