你的电子邮件发送数量可以是无限的。
事实上，在1995年，手机用户每月平均发送短信数量只有0.4条。
In fact, in 1995 mobile phone customers sent only 0.4 messages on average each per month.
我的儿子上个月收到了将近2,000条短信息，他也发送了数量相近的短信息。
My son had racked up nearly 2,000 incoming text messages, and had sent nearly as many.
我的儿子上个月收到了将近2,000条短信息，他也发送了数量相近的短信息。
My son had racked up nearly 2,000 incoming text messages, and had sent nearly as many.
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