No major limit. Good in both oral and written English.

无专业限制；英语听说读写良好。 。

youdao

Today, no huge improvement for the automobile or airplane is in sight, and the major struggle is to limit their pollution, not to vastly improve their capabilities.

今天，在汽车或者飞机上没有值得一提的较大的改进，但这些都是在限制污染上大费周章，而并不是在性能上的大幅改善。

youdao

This refresh will include updates to the documentation and code, but it will limit the non-crucial user interface changes, holding all major GUI modifications for the next major release.

这次更新包括了文档和代码，但是将限制非决定性用户的接口更改，保持了下次主要发布中关键的GUI修改。

youdao

Treasury Secretary Geithner says a jobs bill is vital, as is an overhaul of America's financial regulations to limit risk-taking by the nation's banks and major private financial institutions.

VOA: standard.2010.02.07

But as commonly practiced, scenario planning has some major flaws that limit its effectiveness.

FORBES: Pre-thinking: Stretching Your Brain

The Progressive Era, which followed, saw the development of activist government and the first major efforts to limit the impact of money in politics.

NEWYORKER: Money Unlimited

Elite universities offering MOOCs have a major financial incentive to limit academic credit only to registered, paying students and not those following along free online.

WSJ: Big MOOC Coursera Moves Closer to Academic Acceptance