It's odd that they would use the phrase F7 that sounds similar to "husband and wife" in Mandarin for an English abbreviation. I know English is a pretty widely spoken language in China, so perhaps that is why.
It's odd that they would use the phrase F7 that sounds similar to "husband and wife" in Mandarin for an English abbreviation. I know English is a pretty widely spoken language in China, so perhaps that is why.