english: easily understood, readily comprehensible, intelligible, straightforward, unambiguous, accessible, clearly expressed, user-friendly, simple, self-evident, obvious, clear, crystal clear
non_english: 不限　不限　不限　不限　不限　不限　不限　不限　不限　不限　不限　不限　不限　不限　不限　不限　不限　不限　不限　不限　不限　不限　不限　不限　不限　不限　百花东路