By hiring outstanding engineers, of course ! Ours have been hard atan incredibly efficient backend storage system.

当然,我们通过雇佣倍棒的工程师, 并且不辞劳苦做出了难以置信的高效率后台存储系统.

The documentation for the expr verb indicates that it can handle many other mathematical functions, such as asin, acos, atan, exponentials, floors, and so on.

根据expr动词的相关文档的显示，它可以处理许多其他的数学函数，如asin、acos、atan、指数、地板函数等等。