非常困难模式 ( Very Hard difficulty )：以一般(Normal)或困难(Hard)模式破关。
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very hard difficulty
难度很高
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The very difficulty in overcoming this barrier makes it hard for those who have gained entry to leave.
ECONOMIST: Theoretical physics
应用推荐
模块上移
模块下移
不移动