i guess you are in nursing program right?* r# Y2 @: D! f6 I; j$ ?4 N
do not use translator. some of them do not make sense." A3 L* M* C6 T$ V* Q, V5 e
try to use english "answer" website. it might help , U* F8 b) C6 j4 X8 J$ j8 Zi have one but i never use it. well, leave me messages on "duan xiao xi'