使用不同的模型来思考日常是充满趣味的。攀爬真正的石头也非常有趣。
It’s fun to think about everyday life using different models. Climbing real rocks is also a lot of fun.
使用不同的模型来思考日常是充满趣味的。攀爬真正的石头也非常有趣。
It’s fun to think about everyday life using different models. Climbing real rocks is also a lot of fun.