一个人的心灵美好，是不可能掩蔽的，这会表现在形体容貌上，也能在神色上看得出来。
Cloud computing and big data are the foundation of artificial intelligence development.
The whole of science is nothing more than a refinement of everyday thinking.
对幼儿来说，妈妈的声音是具有特殊意义的参照物。
The multiverse is not a theory, it is a consequence of our best theories.
Le malheur qui nous frappe est toujours le plus grand.