This rule does not imply that cost-cutting should not be tried.
这一规则并不意味着不应该尝试削减成本。
Note: This rule on cutting corners is optional.
说明:切开角的规则是可选的。
The basic thumb rule toidentify a cross-cutting concern is: If a concern is repeated across classesspread over layers / tiers, then it is a cross-cutting concern.
识别一个横切关注点的经验法则是:如果一个关注点反复出现在不同类及层次中,那它是一个横切关注点。
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