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

这里“原子”的意思是看不见和不可分，因此原子操作要么必须全部做完，要么一点也不做。

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.

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