BEIJING SNAPSHOT: Closed loop has advantages — for shoppers

People queue with their parcels outside the post office at the Main Press Center at the 2022 Winter Olympics, Friday, Feb. 11, 2022, in Beijing. (AP Photo/Mark Baker)

People queue with their parcels outside the post office at the Main Press Center at the 2022 Winter Olympics, Friday, Feb. 11, 2022, in Beijing. (AP Photo/Mark Baker)

People queue with their parcels outside the post office at the Main Press Center at the 2022 Winter Olympics, Friday, Feb. 11, 2022, in Beijing. (AP Photo/Mark Baker)

People queue with their parcels outside the post office at the Main Press Center at the 2022 Winter Olympics, Friday, Feb. 11, 2022, in Beijing. (AP Photo/Mark Baker)

A customer has his parcel bubble wrapped outside the post office at the Main Press Center at the 2022 Winter Olympics, Friday, Feb. 11, 2022, in Beijing. (AP Photo/Mark Baker)

People queue with their parcels outside the post office at the Main Press Center at the 2022 Winter Olympics, Friday, Feb. 11, 2022, in Beijing. (AP Photo/Mark Baker)