i guess you are in nursing program right?1 A# e; R3 T1 o& w
do not use translator. some of them do not make sense.2 W8 V/ U6 [& ~5 `7 V$ x
try to use english "answer" website. it might help- x: i v8 `* F. p: r; T6 g- F+ Q
i have one but i never use it. well, leave me messages on "duan xiao xi'