unproductive造句
61. To be wasted, however, is a liability not confined to unproductive labour. Productive labour may equally be wasted, if more of it is expended than really conduces to production.
62. A community, however, may add to its wealth by unproductive labour, at the expense of other communities, as an individual may at the expense of other individuals.
63. Once you have a clear list of your sorrows and outrages, you can move on to step 3, where you'll work both angles to transform unproductive regret into the productive kind.
64. It' s iniquitous, " they say, "that this entirely unproductive industry should absorb millions of pounds each year.
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