i guess you are in nursing program right?( s! P4 z% z6 ?2 {' K9 ~
do not use translator. some of them do not make sense.. R5 g) O. v2 D
try to use english "answer" website. it might help, L+ F0 ?; O! l
i have one but i never use it. well, leave me messages on "duan xiao xi'