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使用Transform运算符加总一年内的所有订单量。
Use a Transform operator to sum all the order amounts within a year.
youdao
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尝试将描述限定在200字符内，尽可能具有描述性。
Try to keep it under 200 characters and make it as descriptive as possible.
youdao
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尝试将描述限定在200字符内，尽可能具有描述性。
Try to keep it under 200 characters and make it as descriptive as possible.
youdao