这种铃声的频率在8000赫兹以上，据说只有25岁以下的人能听到，因为青少年的高频听力还没受损伤。
It is said the magic cellphone ringtone, with a frequency of above 8000hz, can only be heard by people under the age of 25, whose hearing of high frequency sounds have remained unimpaired.
和小薇一样，许多年轻人发现使用火星文，各种复杂的表情符号以及怪异的来电铃声这种在职场中并不受欢迎。
Like Xiao Wei, many youngsters find that their use of trendy online slang, elaborate emoticons and wacky cell phone ring tones may not be appreciated in the workplace.
在一些国家，街头小贩给各种消费者发送特定的手机铃声，这种免费信息是有效的订货方式。
In some countries, street hawkers assign special ringtones to different customers, which are in effect free messages placing orders.
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