i guess you are in nursing program right?( q2 o) ]5 k8 X6 L, o
do not use translator. some of them do not make sense.4 d+ }* A3 {- K9 }1 }% U/ h" O2 |0 E% D
try to use english "answer" website. it might help 4 O% P, U" M; A* a4 wi have one but i never use it. well, leave me messages on "duan xiao xi'