Frontier trade
[经] 边境贸易
🧩 词语组成解析
trade
[tred]
n. 贸易;行业;<美>顾客;买卖;
vt.& vi. 交易，经商;
vt. 交换;经营…交易，做…的买卖;
vi. 贸易;买卖;以物易物;
🗣️ 情景例句
The plan is a simple one.
计划很简单。
Dexterity comes by experience.
熟练来自经验。
What a pity! I'm afraid that if you've lost it , you must pay for it, said Miss Yang.
“真可惜！如果你真的弄丢了，恐怕你得付钱赔偿，”杨小姐说。