The Classic of Tea written by（）is an early work on tea, summarizing all knowledge of tea in China up to that date.

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• For summarizing non-normally distributed data, it is better to use （）.
• Many presenters don’t see the power of a closing. Without summarizing the major points, they make an（）ending by saying “That’s a
• Many presenters don’t see the power of a closing. Without summarizing the major points, they make an （） ending by saying “That’s