我们所珍视的生命中的这一切之所以如此重要，是因为我们在上面花费了大笔时间和精力。

Anything in life that is dear to us is worth so much because of the time and effort we put into acquiring it.

youdao

我在这上面花费了大量的时间和精力，我可不希望看到这一切努力都白费了。

I've spent a lot of time and energy, and I hate to see it all go to waste?.

youdao

人类花费了很大的时间和精力培育出了不同种类的狗狗。

Humans have spent a lot of time and effort breeding different kinds of dogs.

youdao

spent a lot of time and effort kind of figuring out what is it that people will want to buy next week.

他花费了很多的时间和精力来研究,人们想要在下个星期买进什么。

耶鲁公开课 - 金融市场课程节选

But they spent a lot of time, energy, and money on being sure that they would have a supply of water to hold them for a long siege.

他们花费了大量的时间,精力,和金钱来确保,在长期的围城中他们可以获得足够的水源

耶鲁公开课 - 古希腊历史简介课程节选