列表左侧是一些指示器，帮助表示未读邮件、高优先级内容项和收到的各种类型的日历事件。

To the left there are indicators to help identify unread mail, high-priority items, and various types of calendar events that were received.

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增加驱动器状态指示器下左侧列表中，蓝色显示金额使用空间，绿色显示空间使用量增加后，所有的项目，从“游戏添加”名单。

Added drive status indicator under the left-hand list, blue shows amount of used space, green shows amount of used space after adding all entries from the "Games to add" list.

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前移这个指示器——也就是这根手指，让它指向列表中的，下一个元素4，再做比较。

Advance this pointer — this finger, to the next element of the list which is 4, make the comparison.

youdao

Advance this pointer-- this finger, to the next element of the list which is 4, make the comparison.

前移这个指示器--也就是这根手指，让它指向列表中的,下一个元素4，再做比较。

哈佛公开课 - 计算机科学课程节选