The Page Language Default setting is the first dropdown on the Application TAB.

页面默认语言的设定就在“应用程序”属性页的第一个下拉列表中。

youdao

Try to enroll in Mandarin classes before you go (Mandarin Chinese is the default language in almost every part of China), or try to teach yourself some of the basics -- the BBC website has a decent introduction to learning Chinese.

CNN: 5 top tips for China first-timers

So, to put it in very plain language, we would default.

WHITEHOUSE: Press Briefing

The string of hacks have primarily exploited vulnerabilities in the programming language Java, which is installed on most computers by default.

CNN: Facebook hacked, says no user data compromised