次の2番目の英文のthat の説明と和訳をお願いします

Why would we want to talk about love and loss with a machine that has no experience of human life？ Have we so lost confidence that we will be there for one another? 第2文のthat は同格を示すのか　so ～that --の構文ですか　この文の和訳もお願いします。