You can try this example directly in the interactive MongoDB web console shell which also embeds the online tutorial.
你可以直接在交互式MongoDBWeb控制台Shell里运行该范例，其中还嵌入了在线教程。
If you can’t afford to take a night class, buy a book (or check one out from the library!) or take an online tutorial.
即便你不去上夜课，也可以买本书（去图书馆借书）或者在网上学习。
If you can’t afford to take a night class, buy a book (or check one out from the library!) or take an online tutorial.
即便你不去上夜课，也可以买本书（去图书馆借书）或者在网上学习。
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