不管你选择什么方法，你应该知道有效的学习需要时间和努力。
No matter what methods you choose, you should know that effective learning takes time and effort.
难点是，规划需要时间和努力，这个我们真没有。
The problem is that being organized requires time and effort, which we believe we do not have.
永久的减肥需要时间和努力，这要求你必须投入且做出一生的承诺。
Permanent weight loss takes time and effort. It requires focus and a lifelong commitment.
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