Keep a TAB of the number of words that you have mastered.

将你已经掌握的单词数量做一个标签。

youdao

You also keep a TAB on the number of total time zones for the later construction of percentages.

您还可以保持一个关于总时区数的标签，以便将来创建百分比。

youdao

The site will then keep a running TAB of your spending, broken down into categories, as well as an average per day amount and the average spent per day over the past week.

该网站将随时标签你的支出，细分为三类，以及每天的平均数量和过去一周里每天的平均花费。

youdao

The energy efficiency tools can be used with a network of assets such as smart meters, smart plugs and building management systems to keep a tab on real-time energy use of corporate assets.

FORBES: What sustainability reporting software is the right one for you?