1. We had a long, happy, fruitful relationship. 我们曾有一段长久、愉快而富有成效的关系。
2. Their efforts have been proven fruitful. 事实证明他们的努力是有成效的。
3. The work will be more fruitful under this plan. 按照这一方案,做这工作将更有成效。
4. One researcher suggests it might be more fruitful to distribute grants on a relatively equal basis. 一位研究人员认为,在相对平等的基础上分配资金可能更有成效。
5. They're documenting why teaching is such a fruitful way to learn and designing innovative ways for young people to engage in instruction. 他们正在证明为什么教学是一种卓有成效的学习方式,并设计了创新的方式让年轻人参与教学。