Able to find out the method of goal achievement or solution/

Able to find out the method of goal achievement or solution/ We haven’t been able to find out the ___ of the rumour. But for your help,I (not be) able to find the fight solution 英语翻译The most common method of this goal is to scan the photo to make a record of the achievement Find the solution of the given initial value problem. the method to do还是the method of doing? the method of doing还是the method to do? Find the other solution to the equation.的意思? the best method to accomplish the goal is to unite as many p She has trouble __________ (find)a solution to the problem. using word parts to find out the meanings of words