I came up from the bottom, now I'm here.

The stimuli which are allowed in are not connected by just simple one-to-one switches to the outgoing responses.

建筑必须在材料和构造上诚实。

要记住，人之所以走入迷途，并不是由于他的无知，而是由于他自以为知。

安全必须始终是采矿作业的首要任务。