It is indeed an opinion strangely prevailing amongst men， that houses， mountains， rivers， and in a word all sensible objects， have an existence， natural or real， distinct from their being perceived by the understanding.

学习的速度决定数字经济增长的速度。

农业的未来在于智慧农业。

艺术的目的是表现事物的内在意义，而非外在表象。