非負數

a nonnegative number (i.e. positive or zero)

abbr. for 非洲[Fei1 zhou1], Africa

to not be; not / wrong; incorrect / non-; un-; in-; de- / to reproach; to blame / (coll.) to insist on; simply must

to bear / to carry (on one's back) / to turn one's back on / to be defeated / negative (math. etc)

negative number

to count / to count as / to regard as / to enumerate (sb's shortcomings)

number / figure / several / CL:個|个[ge4]

frequently / repeatedly