Do you remember the humanoid robot from Yushu Technology? Over the past year or two, Yushu Technology's humanoid robots have frequently appeared in public events, and the market has high expectations ...

动词 “regret” 表示 “对过去的行为或事情感到难过”，后面既可以接动词 -ing，即 “regret doing”，也可以接不定式 “to do”，即 “regret to do”。搭配 “regret doing” 和 “regret to do” 的意思一样吗？想说 “后悔做了某事”，应该用哪一个？跟主持人 Charlene 学习 ...