如果一个家庭自己不懂英语或者英语能力有限，又怎么能用英语交流呢？
If families do not know English or have limited English skills themselves, how can they communicate in English?
有限使用者，只限在熟悉的状况下有基本的语言使用能力，在理解与表达上常发生问题，无法使用复杂英语。
Basic competence is limited to familiar situations. Have frequent problems in understanding and expression. Is not able to use complex language.
口译和笔译必须是可用的，免费的，所有客户谁拥有读，说，写或理解英语的能力有限。
Oral interpretation and written translation must be available, free of charge, to all customers who have limited ability to read, speak, write or understand English.
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