Now utopia has grown unfashionable, as we have gained a deeper appreciation of the range of threats facing us.
句意：现在乌托邦已经不再流行了，因为我们对我们面临的一系列威胁有了更深刻的认识。
"Now utopia has grown unfashionable, as we have gained a deeper appreciation of the range of threats facing us."中的表语是unfashionable.