touch relate to when it comes to touch on be involved in refer involve come down to
when it comes to
英 [wen ɪt kʌmz tu]
refer
英 [rɪˈfɜː(r)]
美 [rɪˈfɜːr]
involve
英 [ɪnˈvɒlv]
美 [ɪnˈvɑːlv]
英语词典收录了最新的汉英词典和英汉词典,总共有200多万个词条,词库仍在不断更新中。