句型
| The ratio of A to B is … | A比B(A/B) |
| A is a divisor of B | A是B的除数（约数）(B/A) |
| A divided by B | A/B |
| A divided into B | B/A |
| Twice as many A as B | A是B的两倍 |
| A is 20% more than B | (A-B)/B=20% |
| A is 20% less than B | (B-A)/B=20% |
| no less than | 大于等于 |
| no more than | 小于等于 |
| is equal to | 等于 |
| round to | 四舍五入 |
| to the nearest | 四舍五入 |
| is parallel to | 平行 |
| is perpendicular to | 垂直 |
| closest approximation | 最相近似的 |