i guess you are in nursing program right?2 C' m2 _+ o! L* r& E0 O
do not use translator. some of them do not make sense." P Z2 S M- u- T2 G- t
try to use english "answer" website. it might help2 l* ]/ H+ X! F( U \; O# d0 l
i have one but i never use it. well, leave me messages on "duan xiao xi'