同时，提出滞期费等式这一新概念。

The author also proposes a new concept: demurrage equality.

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也许你现在还得支付滞期费。

Maybe you now have to pay a late fee, too.

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租船人必须对滞期负责。

Chatterer must be responsible for demurrage.

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经过上半年的滞期费，他们将有越来越多的重大影响。

After the first half of demurrage, they will have more and more significant impact.

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经过上半年的滞期费，他们将有越来越多的重大影响。

After the first half of demurrage, they will have more and more significant impact.

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