Conventions
n. 惯例；会议；约定（convention的复数）
✅ 同义词
🗣️ 情景例句
Well, it's a very easy operation, Carl.
这是个很简单的手术 Carl。
To push him down
把他推倒
Modern industry is based on the conception of the maximum production at lowest cost,
以最低成本获取最多产品，