have back

基本解释

Now that you have back-end and proxy functions, you can develop the portlets themselves.
现在有了后端和代理函数，可以开发 portlet 本身了。
I’ve seen that myself—I have back pain from arthritis, but I think my willingness to do whatever it takes has helped a lot.
我自己亲身体会到这点——我又背部风湿疼，但是我觉得我乐意做任何需要的事来对付疼痛，这心态很有用。
Keohohou says many companies have back-office support for distributors, where they can get help monitoring and developing their businesses.
Keohohou说许多公司都有办公室后勤系统来支持经销商，从那里他们可以获取帮助，使经销商更好的管理和发展他们的事业。

Eradicating weeds means that you have to remove all the seeds and roots so the plants will not grow back.
OK, so what we have to do is get back underneath this reaction, and see what the molar quantities are.
我们应该做的是,再回到这个反应，看看摩尔量是多少。
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And the fact that they're actually going to have to pay those loans back when they graduate,
而且，在毕业的时候，学生必须偿还贷款，
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This is generally for people who have back taxes they are unable to pay.
FORBES: 5 Things To Do If You Can't Pay Your Income Taxes