Common
Milk run
Transportation route or easy military mission
Milk run
A milk run, milk round, or milk route is the fixed route taken to pick up milk from dairy farmers, or to deliver milk to consumers, as part of a milk delivery system. In extended usage, it may be a transportation service that has many stops. Metaphorically, it may be a slow or tedious trip, a military air mission posing little danger, or any circular route.
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