Tracking any changes or updates to an XML Schema can be problematic and very time consuming.

跟踪XML模式的变化或更新不但困难，而且颇费时间。

youdao

The very things that are problematic for you and others in your life or their life can be the next thing that becomes part of your research. So it is always expanding.

每一件在你或其他人生活中成为问题的事情，都可以作为你研究的一部分，所以你的研究永远是不断扩展的。

youdao

The very things that are problematic for you and others in your life or their life can be the next thing that becomes part of your research.

对你来说是个问题的事情，其它的事情，或者别人生活都可以成为你下一个研究的一部分。

youdao

These decisions, if caught in audits or as a result of individuals sharing pay data, can lead to lawsuits that prove to be very problematic for organizations.

FORBES: Pay Secrecy: Why Bother?

"When people see the economics could be very problematic, in effect, if there's no big structural long-term release of domestic demand, all this really amounts to is a big devaluation, " he said.

NPR: Japan Gyrations Underline Economy's Vulnerability

Yes, bringing in the New Escudo would be problematic, very painful.

FORBES: Will the Euro Fail in 2012?