n.易變；變化性；變異性
Additionally, there is much variability in the number of funds within a sector. 此外，在同一個行業(yè)中有大量的基金是易變的。
The answer is that diversification reduces variability. 答案就是分散降低了變異性。
Even a little diversification can provide a substantial reduction in variability. 即時一丁點分散也能造成變異性的顯著降低。
