Clean payment credit
[经] 光票付款信用证
🧩 词语组成解析
clean
[klin]
adj. 清洁的;整齐的;新的;正派的;
vt.& vi. （使）清洁;变干净;除去…的灰尘;使…干净;
vi. 清扫;
adv. 完全地，彻底地;
n. 打扫;
🗣️ 情景例句
Thank you.
谢谢你。
Never say die! Up man, and try.
不要气馁，朋友，振作起来，干！
and that is what all patients demand of their doctors----to be cured at no inconvenience to themselves.
病要治好，但不要太麻烦。