AnalyzerSentence analysis5SpansSentence堅実な投資をする。1000 character limitAnalyzeSentence堅けん実じつな投とう資しをする。Span Details堅けん実じつsteady; sound; reliable; solidna-adjectiveなadnominal form of the copula after a na-adjectivegrammar投とう資しinvestment; investingnoun, suru verbをobject markergrammarする。light/support verb with a noun or noun-like phrasegrammar