and/or tree

• 与或树

and/or tree的用法和样例：

例句

1. Relationships between elements are described using either family or tree metaphors.
   元素之间的关系使用族或树环境说明。
2. The program suggests the planting of things like native grass or trees to reduce the loss of soil from crop lands.
   计划建议种植类似于本土草或树的植物以减少种植土地的流失。