i guess you are in nursing program right?8 N5 o8 r: {. Z( j& k0 X9 i- t6 D
do not use translator. some of them do not make sense. ! T5 K8 G( O3 A3 A9 J& k/ dtry to use english "answer" website. it might help 7 Z2 v F5 M# m+ x% pi have one but i never use it. well, leave me messages on "duan xiao xi'