milk round
noun
1- Brit. a regular milk delivery along a fixed route〈英〉（固定的）送奶路线。
1.1
- a regular journey that includes calls at several places（设有停留点的）固定行程。
1.2
- a series of visits to universities and colleges by recruiting staff from large companies（大公司招聘人员到大学的）巡回招聘。