tổng số 
sum like: Summe → →
die Summe ☊ 
tổng ☊ 
☊ Summe ☊ 总数 ☊ zǒng shù add A to B: Add 9 to the total. ☊ add ☊
Let x be the sum of a and b. ☊ be ☊
The sums of money involved are potentially huge. ☊ huge ☊
very large sums of money ☊ large ☊
To obtain the overall score, add up the totals in each column. ☊ obtain ☊
Summer's not far off now. ☊ off ☊
substantial sums of money ☊ substantial ☊
You will be fined the sum of £200. ☊ sum ☊
a large sum of money ☊ sum ☊
Huge sums have been invested in this project. ☊ sum ☊
The sum of 7 and 12 is 19. ☊ sum ☊
sum what...: Can I just sum up what we've agreed so far? ☊ sum up, sum sth up ☊