VoIP systems allow you to use a standard telephone handset to make or receive calls. They also allow的翻译：什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

翻译结果1 翻译结果2 翻译结果3 翻译结果4 翻译结果5

VoIP系统可让您使用标准电话手机拨打或接听电话。它们还允许

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