1.b> 1) / (), ; ; to date a document [a letter, a picture] [, ] ( i>); please date your letters to me in future , ;
2) ; the letter dates from London ;
2.b> (; ); / ; to date smb.'s birth ; the unusual shape of this pot dates about AD 400 , 400 ; the temple dates from 1877 1877 ; these ideas date from before the war ;
3.b> (), ; geological time is not dated by years ;
4.b> (), , ; isn't this textbook beginning to date? ? this type of music is beginning to date ;
5.b> (.i> up) i> (), ; Mary's been dating him for months but it's not serious yet , .