The world is like a mirror.

世界像一面镜子。

youdao

The world is like a mirror if you face it smiling, it smiles right back!

世界象一面镜子，你对它笑，它就向你笑。

youdao

The world is like a mirror; frown at it and it frowns at you; smile and it smiles too.

世界如一面镜子：皱眉视之，它也皱眉看你；笑着对它，它也笑着看你。

youdao

Is the internet entering the era of personalisation, where web firms know so much about us that they are able to serve us up a view of the world which is like looking in the mirror?

BBC: Are we trapped in our own web bubbles?