To get the most out of the surveys, you can add more questions to gain more insight into the users' points of view; however, you must balance this addition with the time and effort expended.
为了通过调查获得最大的收获，可以添加一些问题，从而更深入地了解用户的视角；但是，必须考虑到花费的时间和精力，不要添加过多问题。
Much time, money, and effort are expended to perpetuate the physical part of us, and too many are unconcerned about their spiritual health and nurture.
很多时候，我们把金钱和精力都花费延续我们身体的这一部分，很多人不关心他们的精神健康和培育。
However, if the data has not been properly filed, some time and effort will be expended to find it.
但是如果数据没有经过任何合适的存档，要找到该条数据所花费的时间和精力就会加大。
I had expended much time on the work but they told me it's useless.
我花了很多时间在这件工作上，他们却告诉我说这是无用的。
Now, will your new understanding suddenly neutralize all the time, money, and energy expended on reinforcing the belief that you "need to know"?
你花了很多时间、金钱和精力，以加强“必须知道”这个信念，现在是不是突然把这个信念中和了？
The class expended a great amount of time on the project.
这个班在这个计划上花了很多时间。
At the same time, close study of the text has been an ample reward to use for the effort expended, as we hope it will be to others.
同时，对原文仔细的研究，我们受益非浅，这是对我们艰苦努力的回报，希望对其他人也是如此。
They had expended a great amount of time on the project.
他们在这项工程上耗费了许多时间。
As previously mentioned, there is commonly a significant gap between the amount of time and effort a design phase is perceived to require and the actual time and resources expended.
正如前面提到的，在设计阶段估算的时间和努力与真正花费的时间和资源通常存在显著的差异。
Although more precise design plans can be found from optimum design, large amount of computing time has to be expended.
通过优化设计能够求得比较精确的设计解，但是一般都要花费较多的机时。
They expended a great amount of time on the project .
他们在这个工程上花了大量的时间。
China has expended a great deal of its rare resources of talent and time, and has taken enormous risks, to carry out this project.
中国花费大量宝贵的人力与时间，冒着巨大的风险实现了这一航天计划。
He expended much time in reading.
他花费许多工夫读书。
I expended energy, time, and care on my work.
我把精力、时间和心血花在工作上。
We expended a lot today, but there is time to recover.
今天和都灵的比赛我们体力消耗较大，但有足够的时间恢复。
We expended a lot today, but there is time to recover.
今天和都灵的比赛我们体力消耗较大，但有足够的时间恢复。
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