### Chinese: Meta 在香港的办公室大概几百人，在大陆还有几大代理商。
### English: Meta employs several hundred people in the Hong Kong office and has several major agents in mainland China.
### Errors: There is a minor error of incorrect translation is missing content from the correct translation at "several hundred people instead of around 300 people". There is a minor error of incorrect translation has stylistic problems at "mainland China instead of the mainland".

### Improved English: There are around hundreds of staff at its Hong Kong office and several major agents in the mainland.