### Chinese: 不过系统不太方便，都是使用另一间
### English: However, the system is not very convenient. They all use another one
### Errors: There is a major error of incorrect translation is missing content from the correct translation at "They all use another one". There is a major error of incorrect translation has stylistic problems at "the system is not very convenient". There is a major error of problems with grammar, other than orthography at "They all use another one".

### Improved English: But the system was not easy to use, and I normally used the other room.