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
This Friday.
这个星期五。
If there were no clouds, we should not enjoy the sun.
吃得苦中苦，方知甜中甜。
We also played games on the sand.
我们还在沙滩上做游戏呢。