这些资源可以提供基本的商业原则和案例，还可以提供一般的咨询建议，比如撰写商业计划书，直接邮递广告营销等。
These resources are helpful in conveying basic business principles and examples as well as providing general advice in areas such as writing a business plan or marketing by direct mail.
这些资源可以提供基本的商业原则和案例，还可以提供一般的咨询建议，比如撰写商业计划书，直接邮递广告营销等。
These resources are helpful in conveying basic business principles and examples as well as providing general advice in areas such as writing a business plan or marketing by direct mail.
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