over做介詞表“超過(guò)”時(shí)，可用more than代替。 例：he has stayed here over a year. = he has stayed here more than a year. （他已待在此地一年多。） he has stayed here more than over a year.(x) he has stayed here much over a year.（×，much應(yīng)刪除） over five students are here. = more than five students are here. （這里的學(xué)生有五人以上。）