（一）船舶共同海损牺牲的金额，按照实际支付的合理修理费，减除合理的以新换旧的扣减额计算。船舶尚未修理的，按照牺牲造成的合理贬值计算，但是不得超过估计的修理费。
For implementers, backpressure adds complexity without providing guarantees. The machinery to track queue sizes, compute desiredSize, and invoke pull() at the right times must all be implemented correctly. However, since these signals are advisory, all that work doesn't actually prevent the problems backpressure is supposed to solve.
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How Corporations Can Use This Simple Solution to Beat Turnover and Supercharge Innovation
is a non-starter).