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| royalty free (Pertaining to the absence of a requirement to pay the original owner of music, images, software, or other content for the right to use, edit, or distribute their content); toll-free (The toll-free phone number for the conferencing service. In the Options dialog box, on the Account tab, this is one of the conferencing information settings needed for a user to join a conference) | |||
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| No Charge (A shipping method that means the business pays for the cost of shipping the order, rather than making the customer pay) | |||
| ucretsiz: 2 短语, 1 学科 |
| 微软 | 2 |