urban landscaping and gardening的用法和样例：
例句
- The source of the urban plants was multiplex, and most of them belonged to the Tropical-Asia distribution.
城市园林植物种的来源多样化，以热带亚洲分布类型最多。 - After summarizing the common existing problems of urban landscaping and discussing the problems that should be paid attention in plant arrangement, the strategies were put forward.
在城市园林绿化所存共性问题，以及当前园林绿化建设中植物配置单一的基础上，提出了相应的对策。
