He was hopeful that the next round of talks would also beproductive.
他对下一轮会谈也会富有成效充满了希望。
《柯林斯英汉双解大词典》
2
"Maybe we should spend less money trying to figure out who is better than who," he said, suggesting that some more equal dividing up of money might be more productive and more efficient.
The continuous and reckless use of synthetic chemicals for the control of pests which pose a threat to agricultural crops and human health is proving to be counter-productive.