丽贝卡·刘易森：这听起来像是很简单的问题：多少才算是太多呢？
Rebecca Lewison: It sounds like a very simple question: How much is too much?
这听起来似乎很简单，但是常常被父母急切地想要得到他们的孩子游泳。
This sounds simple but is often neglected by parents eager to get their child swimming.
虽然这听起来可能很简单，通常是最有效的治疗方法很简单。
Even though this may sound simple, usually the most effective treatments are simple.
虽然这听起来可能很简单，通常是最有效的治疗方法很简单。
Even though this may sound simple, usually the most effective treatments are simple.
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