我们仅在已打开了到一个后端的一条经过认证的连接的情况下，才切换到该后端。

We only switch to another backend if we already have a authenticated connection open to that backend.

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任何已注册(经过认证)的用户都可以创建一个拍卖，但只有创建拍卖的用户才可以修改这个拍卖。

Any registered (authenticated) user can create an auction but only the user who created the auction may modify it.

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第二次通知在九月份就已发出，但直到次年二月四日该认证机构才最终向农业部告知该公司已失去使用有机食品标志的资格。

A second notice was sent in September, but it wasn't until Feb. 4 that the certifier finally told the agriculture department that the company should lose its ability to use the organic label.

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