adj.不生产的;非生产性的;没有收获的;徒劳的
One quarter of the country is reckoned as unproductive. 这个国家有四分之一被认为是不毛之地。
We have reduced the unproductive spending. 我们已削减了非生产性开支。
I've had a very unproductive day. 我这一天什么事都没干成。