By burning tree branches, pine needles, and pine cones, many not only warm their houses but improve the smell therein.

许多人在家里烧树枝、松针和松果，不但给房子取暖，还改善了屋里的气味。

Afternoon groups relate to the specific addictions and problems therein.

下午的小组谈到具体的上瘾病例以及其中的问题。

Santa Maria di Castellabate is barely mentioned in guidebooks; therein lies its charm.

卡斯特拉巴泰的圣玛丽亚在旅行指南里鲜有被提及，而它的魅力正在于此。