His efforts bring about results中的about代表什么意思

bring about bring in 什么区别 ? 谢谢 interview sb.about his job什么意思? bring about 和 come about 都有“发生”的意思吧 有什么区别? bring to和bring about有什么区别. Bring to和bring about 说明理由Robin ( ) tell his mother about his results fo the exam. bring about造句 bring about 过去式 英译汉bring about bring about 造句 city about什么意思? about什么意思