群签名是一种重要的签名。

Group signature is an important type of signature.

youdao

当然，如果无法验证签名，那么签名也就没什么用处了。

Of course, signatures are no use if you can't verify them.

youdao

请记下我们的签名，其它签名均属无效。

Please take note of our signatures, and regard no others as genuine.

youdao

So, the goldsmith would sign his name on it saying, I promise to give so many ounces of gold.

所以这个金匠会在票据上签名,保证归还多少盎司的金子

耶鲁公开课 - 金融市场课程节选

So we're trying to get a million signatures.

所以我们决定用100万个签名来说明，

关于世界地球日 - SpeakingMax英语口语达人

I also issued them a passport, put their picture in it, had them sign their names, check to see how they know their addresses.

我还给他们每人发了一个护照，把他们的照片放在里面，并让他们签名，从而检查他们。

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