but if you were just talking about something which was more or less universal that uh buses and any kind of vehicle had to pay a pollution tax
The situation is different when talking about universal transport like buses or any kind of vehicle.
If we were talking about cows that emit pollution.
A dog runs around outside.
The business model exemplified by Dell and Apple is crippling the personal computer industry.
a person at home watching tv
There was barely a scratch on the back.
Two women shop for sweater vests.
Six people in clear view are working outdoors.