al.
-->
<span id="calendar_day">
	在第[N]天...
</span>
<span id="calendar_review">
	复习等级[N](<i>按照这个顺序</i> )
</span>
<span id="calendar_loop">
	(然后循环回到第一天！)
</span>

<!-- Leitner Box simulation -->
<span id="leitner_day">
	第[N]天
</span>
<span id="leitner_step_to_review">
	复习：等级
</span>
<span id="leitner_step_reviewing">
	复习等级[N]
</span>
<span id="leitner_step_new">
	添加[N]张新卡片
</span>
<span id="leitner_step_stats">
	总共：[N]张�