conference calling services造句
造句与例句
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- A distinct difference between sound quality of paid and free conference calls has been noted by customers who have claimed to hear background noises when using the free conferencing services, which rarely happens on paid conference calling services.
- ILD Teleservices is a component of ILD Telecommunications Inc . The parent firm, which says on its Web site that it has annual revenue of $ 150 million, provides prepaid calling services, conference calling services, operator services, long-distance services and " outsourced billing services ."
- It's difficult to see conference calling services in a sentence. 用conference calling services造句挺难的
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