Operational principle
[计] 工作原理, 操作原理
🧩 词语组成解析
🗣️ 情景例句
But personally I believe a business letter should end with Very truly yours, not Sincerely.
还行，乔治。但是我个人相信一封商业信函应该以“敬上”结尾，而不是“谨启”。
Would you please clarify your question?
请你把你的问题说清楚好吗？
In the end this political movement succeeded and Indians were allowed to make and sell salt.
但最终这场政治运动以印度人获准生产与销售盐而告成功。