在丹麦、美国和其他一些国家，其正试图为模特和时尚形象设定自愿性标准，该标准更多地依赖同行压力来实施。

In Denmark, the United States, and a few other countries, it is trying to set voluntary standards for models and fashion images that rely more on peer pressure for enforcement.

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ISO 9001标准是自愿性采用标准，只有那种需要提高企业管理水平、提高产品质量保证的企业，才会想到申请ISO 9001认证。

ISO9001 standards are voluntary standard, only the need to improve enterprise management level, improve product quality assurance company, you can think of to apply for ISO9001 certification.

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绿色壁垒内容十分广泛，主要包括国际环保公约、国别环保法规和标准、自愿性措施及内在化要求。

The content is wide, which mainly includes international environment protection treaties, national environment rules of law, standards, voluntary measurements and internal requirements.

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