Ketchup became a topical issue.

西红柿酱成为一个热门话题。

At present desertification is a topical issue that draws the global attention.

荒漠化问题是目前全球普遍关注的热点问题。

Nowadays, the phenomena about over-education has be en a topical issue and unsolved problem among the general public.

近年来，大学生待业和“大材小用”的“过度教育”现象已成为社会公众普遍关注和急需解决的社会热点问题之一。

Conclusions Contact allergy caused by topical corticosteroids is not rare, and more attention should be paid to this issue in the treatment of inflammatory skin disorders.

结论外用糖皮质激素接触过敏并不罕见，在外用糖皮质激素治疗皮肤炎症时，宜注意糖皮质激素过敏问题。