call on，break down，make inferences，on the move，upside down， on display，appeal to，by contrast，in other words，

（1）The community is

calling on

calling on

everyone to put on their masks in public places.
（2）When some refuse vaccination（疫苗）and go wherever they want to，immune system in the society will

break down

break down

and everyone will be in even bigger danger.
（3）The Japanese company told the seniors to retire earlier-

in other words

in other words

，they got fired.
（4）She knows little about high-tech，but her brother，

by contrast

by contrast

，is very familiar with it.
（5）The detective managed to solve a case by

making inferences

making inferences

according to some clues.
（6）The theme park tried various strategies to

appeal to

appeal to

customers during the pandemic period.