他们在杂志设计上付出了很多努力。

They've put a lot of ___effort into getting the design of the magazine right.

准备这道菜需要很长时间，但结果很好，值得付出努力。

It takes a long time to prepare the dish but the results are so good that it's worth the ___effort.

整理他的卧室会花费太多精力。

It would take too much ___effort to straighten up his bedroom.