算數

to count numbers / to keep to one's word / to hold (i.e. to remain valid) / to count (i.e. to be important)

to regard as / to figure / to calculate / to compute

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

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

frequently / repeatedly

promises must be kept

computational mathematics / numerical mathematics

operand (math.)

to keep one's promise / to mean what one says