Spacing gives you time to forget.

间隔时间学习法使你有时间遗忘知识。

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Take your time and constantly check to make sure the tiles have equal spacing.

从容不迫而且不变 地检查确定砖瓦有相等的间隔…

youdao

Take your time and constantly check to make sure the tiles have equal spacing.

从容不迫而且不变 地检查确定砖瓦有相等的间隔…

youdao