As Shanghai develops, more and more people stay single for longer. Why do you think some people remain single? Would you like to be single all your life? Is single life better or worse? Do you think that single people like being single? Let’s exchange opinions.在上海这座高速发展的城市里，单身人士越来越多。为什么有些人刻意保持单身？你想单身一辈子吗？单身作为一种情感状态究竟是好是坏？为什么有些人喜欢单身的状态？来一起讨论吧。