我开始是独自一人做这些挑战的，但我很快意识到如果有朋友加入会更有趣。因此我做了个模板，这样我们都能够不断记录追踪自己的进步。
I started this health challenge on my own, but quickly realized it would be more fun with friends, so I created a template that we could all track our progress on (feel free to use it too!).
这是因为和外国家庭成员生活一两周意味着你必须说他们的语言，这样你会进步很快。
This is because living with a foreign family for one or two weeks means that you have to speak their language, and as a result you improve fast.
这是因为和外国家庭成员生活一两周意味着你必须说他们的语言，这样你会进步很快。
This is because living with a foreign family for one or two weeks means that you have to speak their language, and as a result you improve fast.
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