JMNT(i)
20 "however (or: but yet), to send word by a letter for them to be habitually holding themselves away from (constantly abstaining from) the effects of ceremonial pollution from (or: belonging and pertaining to) the idols – as well as from the prostitution ([note: may also have reference to temple idol worship]; or: sexual immorality; [p45 omits this phrase]) – and from [something that was] strangled [i.e., where the blood was not drained out], also from blood [comment: these were prohibitions from the Law, in Lev. 17 & 18; D adds: Also, whatever you would not normally want to be happening to yourselves, do not do to others].