about; on; with regard to; concerning; in regard to [of]; with respect to; as respects; as regards; in this regard; in one's regard; as concerns ...; as to; relate to ...; in relation to; relative; as far as ... be concerned
regulations concerning the protection of forests 關(guān)于保護(hù)森林的若干規(guī)定
international legislation on shipping 關(guān)于航運(yùn)的國際立法
Re. Situation in the Middle East （公文開頭） 關(guān)于中東局勢(shì)