With a sigh for every piece of money, Fagin put the agreed amount into her hand.

费金在她手上放了彼此达成协议的钱数，每放下一块钱就叹一口气。

Lingoda will refund your tuition fee in full if you attend the agreed amount of classes within each sprint month by following the contest rules.

如果你在每个冲刺月中按照比赛规则上满了规定数目的课程，Lingoda 将全额返还学费。

Lingoda will refund your course fees in full, together with that deposit if you attend an agreed amount of classes within each Sprint month by following the contest rules.

如果你遵守规则，在每个冲刺月份参加了规定数量的课程，Lingoda 将连同押金一起退还你的课程费用。

As long as you make sure you stay focused on the topic for an agreed amount of time, this can be one of the most effective ways to challenge yourself.

只要您确保在约定的时间内专注于该主题，这就是挑战自己的最有效方法之一。