What does "a 4 X 4" refer to?
Source: the Daily MailForget driving a 4x4 or flying to Australia on vacation: now the new ethical battleground is the humble water bottle.
Apparently, we throw away 13 billion of these a year – a response, of course, to the idea that we need to glug our way through two litres a day to stay healthy.
Ironically, it takes seven litres of water (and lots of petrochemicals) just to make a one-litre plastic bottle.
In British English, the pronunciation is often four-be-four.