將Firefox瀏覽器的界面語言設置爲英文

1.先嚐試通過Option-Language-Firefox Language Settings將English設爲優先選擇的語言。

如果以上操作沒有把Firefox所有的界面全部改爲英文，請繼續按下面步驟設置。

1. Type about:config into the address bar and press Enter.
2. To bypass the warning, press the big button labeled "I'll be careful, I promise!".
3. In the search box, paste intl.locale.matchOS
4. In the search results, if intl.locale.matchOS is set to true, double-click it to set its value to false.
5. In the search box, paste general.useragent.locale
6. In the search results, double-click general.useragent.locale and set its value to false.
7. Restart Firefox for the change to take effect.