The magazine's aim is to discuss topical issues within a Christian framework.

该杂志的宗旨是在基督教框架下讨论时下的热门话题。

The sinking of the tanker has made aspects of marine pollution particularly topical.

油轮的沉没使得海洋污染的方方面面都成为眼下大家尤为关注的热点话题。