Security assessment is largely AD hoc today due to its inherent complexity.

当下的平安评价因为其内涵的复杂性绝大大都都是特地定制的。

youdao

Han has moved beyond ad hominem attacks on poets, pop stars and fellow bloggers. These days his attention is largely drawn to society's deeper problems: a surge in nationalism;

现在的韩寒已经对与诗人、明星以及其他博客作者对骂丧失了兴趣，他的注意力很大程度上转移到一些更深层的社会问题上来：不断高涨的囧囧囧囧问题；

youdao

The largely ad-supported free service likely will update ads and other graphics elements.

CNN: Facebook to announce new look for News Feed

New York City startup Image Space Media is one of a handful of companies working to monetize the last largely ad-free square inches on the web: images.

FORBES: Ex-AOLer Joins Startup That Wants To Put Ads In Images All Over The Internet

The BRICS as a group is largely an ad-hoc one, but the individual nations are increasingly aware of their potential to emerge as a new force in world affairs thanks to their strong economies and combined population.

FORBES: BRICS Summit 2011: Why Americans Shouldn't Fear this New "Superpower"