Conservation of resources
[经] 资源保护
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
resources
[[ri'zɔ:siz]]
n. 资源；物力（resource的复数）
🗣️ 情景例句
Do you want to get together and study sometime?
你想和我一起学习吗？
He that has a full purse never wants a friend.
只要袋里有，不愁没朋友。
To know everything is to know nothing.
样样通，样样松。