"I think we're unique as a federal agency," USPS official Mike Swigart told me, "because we're in literally every community in this country."

2019年12月四级真题（第二套）阅读 Section B

"When they see that carrier back out on the street," Swigart said, "that's the first sign to them that life is starting to return to normal.

2019年12月四级真题（第二套）阅读 Section B