There was a marginal decrease in the uptake capacity after each regeneration cycle.如何翻译这句话

There was a marginal decrease in the uptake capacity after each regeneration cycle.如何翻译这句话 There was a cat that really was There was once a man was there a long toy was there a pond before?a:yes,there wasn't b:yes,there was there was a baby before.But now there is a marginal investor 什么是Marginal 什么是Marginal 什么是Marginal there was a time when的用法 There was a heavy rain(同义) There once was a factory near sunshineriver There was a subway 50 years ago? there was once a lonely girl there was/be a time +定语从句 there was a woman with orange there was a woman with red