Courtesy call
（正式或官方的）礼节性拜访
🧩 词语组成解析
courtesy
['kɝtəsi]
n. 谦恭有礼，礼貌，请安;有礼貌的举止[言词];承蒙;
adj. 殷勤的;出于礼节的;
call
[kɔl]
v. 呼唤，喊叫;召唤，叫来，召集;下令，命令;打电话给;
n. 喊叫，大声喊;电话联络;必要，理由;要求;
🗣️ 情景例句
We're talking about buying
我们在商量购买
All bread is not baked in one oven.
人心不同，犹如其面。
This is because they had no natural enemies until the arrival of humans and therefore did not need to develop flying wings.
这是因为人类到达这里之前，这些鸟没有天敌，因此，它们不需要发育飞行的翅膀。