Certainly, we appear to project ourselves onto our friends; several
studies have shown that we judge them to be more like us than they
(objectively) are.they are后面省略的表语应该是什么?
Besides,
we can improve the technology of tracking user’s movement, which requires
cameras and beacons to be applicable. 请问老师,这里的to
be applicable做什么成分?应该如何理解?