The second effect was “rangereduction”: In mathematical terms, correct answers became clustered at the group's edges.
第二个因素是“范围缩小“:用数学术语讲,正确的答案集中在群的边缘。
2
The fish species in question, however, migrate between these two areas, so the question was how much the reduction of fishing effort in part of their range would affect their Numbers.
Specifically, Mayo brings up the reduction in Citi’s capital expenditures from a range of $3 billion to $4 billion in 2004 to 2007 to $2 billion in 2008 and $1 billion in 2009.