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| call screening (a special service that you can buy from your telephone company which prevents particular people from calling you; when you let an answering machine answer your telephone calls, and you then only talk to callers that you want to speak to Taras) | |||
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фильтрация звонков : 2 短语, 2 学科 |
| 信息技术 | 1 |
| 电信 | 1 |