Some industry, professional in education, ability, age, gender and so on various aspects have certain restriction.

有些行业、职业在学历、能力、年龄、性别等各方面都有一定的限制。

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All the while, many people love to eat bird's nest due to its high medicinal value. No restriction on gender and age.

燕窝一直以来受人们的欢迎，因其有极高的食疗价值，不因性别和年龄而受到限制。

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There is no restriction on the style, age, gender, language and nationality.

字数不限、体裁不限，年龄不限、性别不限，语言不限，国籍不限。

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