smallest sum difference

sum of absolute difference

absolute difference

Absolute Difference Algorithm

absolute difference measurement

first difference absolute value

Mean absolute difference

difference in difference

difference in difference (DD) method

Difference-in-difference

(integral) sum graph

(integral) sum number

(The symbol is abbreviated) feasible sum

(the symbol is abbreviated)feasible sum

(weighted) degree sum

1ump sum tax

a dim sum chef

a huge sum

a sum

a sum of money