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

这里“原子”的意思是看见和可分，因此原子操作要必须完，要一点。

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.

而大量的关注集中在信息的完善、竞争的完善、交易成本、可分割性、递增的收益、以及它们之间的一些关系。