AnalyzerSentence analysis3SpansSentence使わないと衰える1000 character limitAnalyzeSentence使つかわないと衰おとろえるSpan Details使つかわuse; make use of; employ; handle; spend; consume; speak-> 使うgodan verbないとmust; have to; if notgrammar衰おとろえるweaken; decline; waste awayichidan verb