approximation
1.N-COUNT 可数名词接近；近似 An approximation is a fact, object, or description which is similar to something else, but which is not exactly the same.
【搭配模式】：oft Nof/to n
That is a fair approximation of the way in which the next boss is being chosen.
那和下一任老板的选任方式相当类似。
2.N-COUNT 可数名词近似值；粗略估计 An approximation is a number, calculation, or position that is close to a correct number, time, or position, but is not exact.
Clearly that's an approximation, but my guess is there'll be a reasonable balance.
很明显那是个粗略的估计，但我猜会有一笔不少的余额。
