2021 完形填空（英语二）

It's not difficult to set targets for staff.

It is much harder, however, to understand their negative consequences.

Most work-related behaviors have multiple components.

Emphasize one and the others become distorted.

Travel on a London bus and you'll quickly see how this works with drivers.

Watch people get on and show their tickets.

Are they carefully inspected?

Never.

Do people get on without paying?

Of course!