1、Human's material productive activity and moral spirits contain each other.
人類的物質(zhì)生產(chǎn)活動與道德精神是相互蘊涵的。

2、It places human productive activity at forefront.
它把人類的生產(chǎn)活動放到首位。

3、Problem solving is not only a productive activity process, but also an advanced learning process.
問題解決既是一項創(chuàng)造性的實踐活動，又是一個高級的學(xué)習(xí)過程。

4、The problem is, planning can way too often move from a productive activity to diminishing returns.
問題是，計劃會常常從一個有生產(chǎn)力的行為變成減少回報的行為。

productive activity翻譯