The humans were just trialing one theory before discarding it if it didn't fit.

人类只是在尝试一种理论，如果它不适合，就丢弃它。

We're building year on year on our research in this area, trialing different designs one year and then building on those in the next.

我们年复一年地加强在这一领域的研究，一年里，我们对各种设计方案进行试验，然后在下一年里以这些方案为依托进行研究。

Fujitsu is trialing its new dog office until the end of the year at its building in Kawasaki, about half an hour by train from central Tokyo, as a way to improve employee well-being and productivity.

富士通正在其位于川崎的大楼内试用其新的狗办公室，直到今年年底，该大楼距离东京市中心约半小时火车车程，以此作为改善员工福祉和生产力的一种方式。