你不需要额外付费。
接待员:那样的话，你可以增加你的课时，不需要额外付费。
Receptionist: In that case, you can extend your courses without additional charge.
找出哪些设施是需要额外付费才能使用的，这样你将不必付比你预期的多得多的费用。
Find out what amenities are only available for an additional cost, so you don't end up paying much more than you expected later on.
当然，如果接通国际长途需要每分钟额外花费你31美分，那么你最好让对方使用大街上的付费电话。
Unless, of course, it costs your significant other 31 cents a minute to call your international cell phone, in which case you must ask him to call you on a pay phone down the street.
那样的话，你可以增加你的课时，不需要额外付费。
In that case, you can extend your courses without additional charge.
那样的话，你可以增加你的课时，不需要额外付费。
In that case, you can extend your courses without additional charge.
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