If I visited the moon, perhaps I would face many problems.
（虚拟语气）如果我登上月球，或许我会面临许多问题。
Families in America like those in every culture face many problems.
正如许多其它文化一样，美国的家庭也面对许多问题。
Families in America, like those in every culture, face many problems.
像其它文化一样，美国的家庭也面对许多问题。
This is just a start. We will face many problems without number in the future.
这仅仅是一个开始，以后我们还会遇到数不胜数的问题。
This is just a start. We will face many problems without number in the future.
这仅仅是一个开始，以后我们还会遇到数不胜数的问题。
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