Illegal profit
[经] 非法利润
🧩 词语组成解析
🗣️ 情景例句
I'll talk to Richard about it.
我会与Richard商量商量。
Did you go running this morning?
你今早去跑步了吗？
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。