profitless
(a.)無利益的,無益的,浪費的
Prof·it·less, a. Without profit; unprofitable.
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profitless
adj : without profit or reward; "let us have no part in profitless
quarrels"- D.D.Eisenhower; "How weary, flat, stale, and
unprofitable / Seem to me all the uses of this world"-
Shakespeare [syn: unprofitable]