鲁棒水印技术通常被用于版权保护和所有权声明等目的。

Robust watermarking techniques are always used for copyright protection and ownership assertion.

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Python在Web开发中广为流行但又不仅限于此，它的内存管理、变量声明等性能使开发者不必操心于此。

Popular for Web development but not limited to it, the language has benefits like taking care of tasks like memory management and declaration of variables so developers do not have to, Goodger said.

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ISO 标签标准禁止在产品包装上发表模糊或误导性的声明，因为诸如“环境友好”和“无污染”等术语无法得到验证。

The ISO labeling standards ban vague or misleading claims on product packaging, because terms such as "environmentally friendly" and "non-polluting" cannot be verified.

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Right. So main calls foo, foo is declared, but wait a minute, void foo void I need my prototype; so void foo, void.

对，main调用foo，foo被声明了，但是等一等，我需要我的原型，所以。

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