俱舍論疏 22.46

22.46

論「謂樂等三受至得可意等名」，答。由樂受力具順樂受行，名為可意。乃至由捨受力合順捨受行，名所餘非可意非不可意行。

The treatise says: "They mean the three feelings of pleasure and so forth, up to obtain the designations agreeable and so forth"—this is the answer. Formations that conform to pleasant feeling through the force of pleasant feeling are called agreeable. Up to, formations that conform to neutral feeling in conjunction with the force of neutral feeling are called the remaining formations that are neither agreeable nor disagreeable.