Silk Road Bistro is a Chinese restaurant in Marlborough, whose homepage lists a series of warnings and instructions for picking up takeout these days, including stuff you'd expect - when you get there, ring the bell and announce your name, step back 10 feet, then wait for your food to be placed on a table at the door and wait for the worker who brought it out to step back. "DO NOT attempt to grab the food out of our hands." And then: Read more.