CleverBook is a great app such as a smart secretary, always ready to help you to improve your vocabulary by building a great plan for leaning.
What you need to do is to input new words with their meanings, synonyms, antonyms, collocation ... And CleverBook finds the words, which you should review everyday.
CleverBook will automatically calulate when and how long you need to review these words.
You can also check your vocabulary with random test any time.
Now you can throw away paper book, which is easy to be lost, or destroyed.
Add your new words now, and let CleverBook build a plan for you
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