Atomic implies indivisibility and irreducibility, so an atomic operation must be performed entirely or not performed at all.

这里“原”思是看不见和不可分，因此原操作要必须全部做，要一点也不做。

Considerable attention has been given to imperfections of information and of competition, to transaction costs, indivisibilities, and increasing returns, and to some of the relations among these.

而大量关注集中在信息不、竞争不、易成本、不可分割性、递增收益、以及它们之间一些关系。