Filtering expression
[计] 筛选表达式
🧩 词语组成解析
[计] 过滤
🗣️ 情景例句
We'll open a letter of credit if you promise to effect shipment one month earlier.
如果你方答应提前一个月交货，我们就同意开信用证。
Choice of the end covers choice of the means.
选择目的包含著选择手段。
Oh, good evening, Lucy. Come in. Nice to see you!
噢，晚上好，露茜。请进。见到你真高兴！