有成效的 fruitful
- 他比以往更加确信他的实验是有成效的,在火星上发现了生命。
He is more convinced than ever that his experiment worked and detected life on Mars. - 为了不分心,必须得找到能够让我们保持乐观的态度和自己的努力是有成效的信念的途径。
To maintain focus, we have to find a way to keep a positive attitude and a belief that our efforts are productive. - 甚至那些有耐心,够勤奋的人必须注意不要花费太多资源,以免耽误实际的、有成效的工作的。
Even those who do must be careful not to spend too many resources on it at the expense of the real, productive work.
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