为什么我要改变饮食？
我曾经读到过，要培养一个习惯，需要21天，这也就是为什么我提出用30天的时间来尝试新的改变。
I have read that it takes 21 days for a habit to take effect, which is why I mention a 30 day period of testing anything new.
一位老先生问我‘为什么我要相信气候改变呢- - -我在看Fox新闻，他们告诉我，在这十年里地球温度并没有发生变化，实际正相反，温度还下降了。’
And an older gentleman asked me 'why should I believe in this climate change - I was watching Fox News and they said the Earth's temperature hasn't changed in 10 years and has actually gone down'.
为什么你们要我帮助你们去改变世界？
目前这个制度执行情况令人满足，为什么要改变呢？我侍建议是听其自然。
The present system has worked satisfactorily, so why change it? My advice is to leave well alone.
为什么要改变我呢？
为什么要改变我呢？
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