If you wish to learn swimming, you have to go into the water, and if you wish to become a problem solver, you have to solve problems.
如果你想学会游泳，你必须下水；如果想成为解题能手，你必须解题。
If you wish to learn swimming, you have to go into the water, and if you wish to become a problem solver, you have to solve problems.
如果你想学会游泳，你必须下水；如果想成为解题能手，你必须解题。
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