translation.en: XL: However, if you put the mouse in a completely different new box, like the next one, it will not be afraid of this box because there's no reason that it will be afraid of this new environment.
translation.zh: 刘旭：然而当你将实验鼠置于一个截然不同的新盒中， 就像这里的第二个盒子， 它就不会害怕。 因为它没有理由对这个新环境产生恐惧。