n.

1. 离开本体的部分；分离物
2. 露宿者
3. 局外人；门外汉
   When you tally up all the votes, those cast by outliers need not be counted.

   当你将选票加总的时候，局外人的票数不必计算在内。

n.

1. a person or thing away or detached from the main body or system.
2. Geology  a younger rock formation among older rocks.
3. Statistics  a result differing greatly from others in the same sample.