这个API的好处是即便你没有查看浏览器照样可以看到通知。
The advantage of this system is that you will see this notification, even if you are not looking at your browser.
我们还没有最终决定我们的广告，因此我还得要通知你。
We haven't finalized our ads yet, so I'll have to let you know.
你并没有提到，你的朋友是否已经通知了他的雇主，或者公司是否已做出回应。但即便超过了180天的限制，你朋友依然享有userra的部分权利。
You don't say whether your friend notified his employer, or what the company's response was, but even past the 180-day limit, your friend still retains some USERRA rights.
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