Retroactive contributions
[经] 追溯交款(贡献,捐款)
🧩 词语组成解析
n. 贡献；出资
🗣️ 情景例句
I'd like to check this book out.
我想借这本书。
I hope the weather there is cold enough.
我希望那儿天气够冷。
What's that in your hand?
你手里拿的是什么？