The table is logically joined to itself, and the more selective non-leading index keys are applied as index bound filters to each unique combination of the leading key values.

首先在逻辑上将表与其自身连接，然后将更具有选择性的非起始索引键作为索引绑定过滤器，应用于起始键值的每个惟一的组合。

youdao

Forget about making decent returns with index funds during a range-bound market.

FORBES: Book Friday--Active Value Investing

The U.S. dollar index traded both sides of unchanged Thursday as trading has been choppy and range-bound, too.

FORBES: Comex Gold Ends Slightly Higher as Trading Remains Choppy