Costless
a. 没有成本的, 不需花钱的
✅ 同义词
🗣️ 情景例句
let me know.
告诉我。
We need skilled electricians.
我们需要有技术的电工。
for the woman's eyes immediately lit up and she fetched several bottles which she placed on the counter for Harry to inspect.
因为那女售货员听完哈里的话后，马上眼睛一亮，拿出几瓶东西放在柜台上让哈里挑选。