When does such effort become unproductively deceptive? 什么時侯這一類的努力會變成破壞性的虛偽呢？
There are numerous products which may be said not to admit of being consumed otherwise than unproductively. 有很多產(chǎn)品，可以說除作非生產(chǎn)性消費外別無他用。
All the members of the community are not labourers, hut all are consumers, and consume either unproductively or productively. 雖然并非所有社會成員都是生產(chǎn)者，但所有社會成員卻都是消費者，而消費或是非生產(chǎn)性的或是生產(chǎn)性的。
Some survivors react by feeling overwhelmed and become either immobilized or unproductively overactive. 有些幸存者會因為打擊過大，變得消沉或過度活躍。
Business people, for instance, should not leave money sitting unproductively in banks. 商界人士，例如，不應(yīng)把錢坐在非生產(chǎn)性銀行。