ridership
n.
mid-15c., "position of a rider," from rider + -ship. From 1962 as "number of passengers" (on public transportation, etc.).
| 词汇 | ridership | 
| 词根词缀 | Online Etymology Dictionary ridership n. mid-15c., "position of a rider," from rider + -ship. From 1962 as "number of passengers" (on public transportation, etc.). | 
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