台湾籍旅美老师今天交给我们的句子是：

Chances are that this image just happens to be perfectly ambiguous to our brain, meaning it all comes down to individual perception and even how and where you view the image.
很有可能这张图对我们人脑来说完全模稜两可，也就是这一切都取决于个人的主观认知，甚至取决于我们如何、在何处看到这张图。