比较不同文化中的幸福观时，我们需要考虑它们的可比性。

When comparing happiness across cultures, we need to consider their ___commensurability.

数学中，当两个数能被同一个数整除时，它们具有可公度性。

In mathematics, two numbers have ___commensurability when they can be divided by the same number without a remainder.