Inefficaciousness
n. inefficacious的變形
??? 情景例句
No music, no dance,
沒有音樂， 沒有舞蹈，
Will it be convenient for you to explain your plans to him?
你向他解釋計劃將是方便的嗎？
If no accidents occur on the way, like punctured tires, diversions of traffic, sudden descent of fog, they will be on time.
要是路上沒有發(fā)生如爆胎、改道、突然起霧等意外事故，他們決不會遲到。