问题描述：
OK,"ridiculous" is too strong a word,but if we assume that the rules...
OK,"ridiculous" is too strong a word,but if we assume that the rules for checking are just a couple of simple constraints without the cross Aggregate border problems,I would prefer to apply the principle discussed earlier:
Aggregate 聚合
OK,"ridiculous" is too strong a word,but if we assume that the rules for checking are just a couple of simple constraints without the cross Aggregate border problems,I would prefer to apply the principle discussed earlier:
Aggregate 聚合
问题解答：
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