i guess you are in nursing program right?' Z4 n* b+ b" \- X/ m) n( \
do not use translator. some of them do not make sense., g7 v& y' S2 l: c+ j
try to use english "answer" website. it might help! ^- s( q# N6 i" T( y) J' n
i have one but i never use it. well, leave me messages on "duan xiao xi'