那个句子应该这么译: the sentence should be translated this way
介绍情况: brief sb. on the situationput sb. in the picturefill sb. in
有关: have sth. to do with; have a bearing on; relate to; concern; be in [with] relation to; involve; have relations with; in the way of; in [with] regard to; be connected with; in connection wi
