跟踪

However, by giving his cosmopolitical economy the name political, he dispenses with this explanation, effects by means of a transposition of terms also a transposition of meaning, and thereby masks a series of the gravest theoretical errors.

他用政治经济的名称来称呼他的世界主义经济时，在这一点上并没有作出说明，由于这种名词上的移动，跟着就发生了意义上的移动，这样就掩蔽了一系列最严重的理论错误。

It has been found that certain bats emit squeaks and by receiving the echoes, they can locate and steer clear of obstacles------or locate flying insects on which they

人们已经发现，某些蝙蝠发出尖叫声并靠接受回响来锁定和避免障碍物——或者找到它们赖以为生的昆虫。