They suggest that, as the marginal cost of publishing a lot more material is minimal on the internet, all research that meets a certain quality threshold should be published online.

他们认为在互联网上可以发表更多的东西，而且边际成本低，所有能达到一定质量标准的东西都可在网上发表。

youdao

Being intangible product with zero marginal cost, software's quality management is more difficult than physical product, and should place more focus on the process quality and process quality control.

软件是一零边际成本的无形产品，其质量管理要较实物产品的质量管理更难以进行，需要对过程质量及过程质量控制更加关注。

youdao

"Marginal" lands might have low quality soil. Or they might be on a hillside that rises sharply.

边际土地土壤质量也许较低，或者位于陡峭的山坡上或降雨极少的区域。

youdao

He first worked his way up the executive ranks of International Paper by boosting the quality of its products, shutting down marginal plants and investing heavily in others.

CNN: Turnaround Guy