事实上，生产力的概念本身就是时钟的副产品：一旦工作表现与统一的时间单位可以联系起来，工作就永远都不一样了。

Indeed, the very notion of productivity is a by-product of the clock: once one can relate performance to uniform time units, work is never the same.

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这个概念本身的中肯性，也存在着问题。

There is the problem with the very cogency of the idea itself.

youdao

尽管有上述缺陷，然而碳抵消的概念本身是值得肯定的。

Despite such flaws, however, the idea of carbon offsets is a good one.

youdao

there is the problem with the very cogency of the idea itself.

这个概念本身的中肯性,也存在着问题。

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