单词in round numbers
na.: 大概算起来；以整数[约数]表示；约莫；总而言之
约计
He gave us the results in round numbers, but their roundness didn"t affect the point he was making.
他给我们的是整数结果，但其取整不影响他提出的论点。
For an SOA implementation with the aggregates shown in Table 1, there are, in round numbers, potentially 1000 x 1000 interactions.
对于具有表1中所示的聚合的SOA实现，大约可能会有1000x1000个交互。
Please tell me in round numbers what till cost.
告诉我大概的成本就行。