Smaller, more numerous species like the jellyfish are flourishing and plugging the gap left by animals higher up the food chain.

水母之类体形更小品种更多的物种正在蓬勃发展，填补着食物链中更高层动物留下的空白。

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There are a variety of apps by third parties that go some way to plugging the gap.

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Hopefully, they will go some way to plugging the gap left by the decline in some traditional sources of funding.

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Central-bank funding is plugging the gap, but that makes banks worryingly beholden to the ECB, causing them to clamp down on their lending to firms and households.

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