| 释义 | 
		futility美 [fju'tɪləti]  英 [fjuː'tɪləti]  - n.无用;无益的事;轻浮的言行
 - 网络徒劳无益;无效;徒劳无功
 
 n. uselessness,ineffectiveness,vainness,senselessness n.  | 1. lack of usefulness or effectiveness 2. an action that has no use, purpose, or effect 3. lack of importance, seriousness, or sensibleness  |  
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