i guess you are in nursing program right?* f$ e8 G/ f; W \1 |9 F- ^
do not use translator. some of them do not make sense. - I: D- x* n2 C8 Ztry to use english "answer" website. it might help, U6 u! d% n$ `9 b: o
i have one but i never use it. well, leave me messages on "duan xiao xi'