i guess you are in nursing program right?& u$ Q0 k) \9 L+ n7 C/ \# z
do not use translator. some of them do not make sense. " {- Y0 ]) B1 }6 G# ?try to use english "answer" website. it might help- V1 S+ T) y; _8 L3 `) w
i have one but i never use it. well, leave me messages on "duan xiao xi'