The next two lines allow users jack and jill to access the server from any location. The last line is a "catch-all" and denies everybody else access from every other address.

后两行允许用户 jack 和 jill 从任何地方访问服务器。

youdao

Jack: Wow, so cute! But it's a pity that we can't catch them.

杰克：哇，好可爱哦！遗憾的是，我们抓不到他们。

youdao

Will he catch Jack?

他会抓到杰克吗？

youdao

From 1995 to 2011, the jack mackerel catch fell by 94%.

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No matter how much money a new start-up spends to get customers, they are just not going to be able to catch up to Jack Ma in the near-term.

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From the time he could move, Jack wanted nothing more than to catch up with his big brother Ben.

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