Top Up: Merge more than one of the same model IDT phonecard together for greater convenience and even more talk time.
服务,可预先登记指定电话号码,其后以该等号码拨打长途电话时不需密码。
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How to Teach a Language In a previous episode of the podcast, How to Learn a Language, I explained Steven Krashen's Theory of Comprehensible Input, the idea that we learn languages by reading and listening to things we understand.
如何教授语言 在播客的前一集《如何学习语言》中,我解释了史蒂文·克拉申 (Steven Krashen) 的理解输入理论,即我们通过阅读和聆听我们理解的事物来学习语言。