Be easy to check up on and find in an emergency.
以便于跟进检查和及时发现紧急情况。
What's more, the book they want is easy to find, they can check on the computer, and find the number quickly.
而且，他们想要的书很容易找到，他们可以在电脑查阅，快速找到标号。
What's more, the book they want is easy to find, they can check on the computer, and find the number quickly.
而且，他们想要的书很容易找到，他们可以在电脑查阅，快速找到标号。
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