所以在决定要创建的理想组数之前，可能需要进行几个步骤的尝试和出错。

It might take several steps of trial and error to determine the ideal number of groups to create.

youdao

我以前总担心理想的公里数、逐步增加公里数的比例、休息、几次几组、重量和增重过程、锻炼肌肉、各种日程安排。着实复杂得紧。

I used to worry about the ideal mileage, percentage of increase in mileage, intervals, reps and sets, weights and progression, lifts, workouts, programs... it was very complicated.

youdao

在欧元区创立之时，曾有不计其数的文章来论述它是否是一个最理想的货币联盟。

When the eurozone was created, a huge literature emerged on whether it was an optimal currency union.

youdao