Pdo
abbr. production design outline 产品设计草图
🗣️ 情景例句
He is still unable to express himself in English.
他仍然不能用英语表达自己的意思。
Care and diligence bring luck.
谨慎和勤奋，带来好运气。
As is so often pointed out, knowledge is a two-edged weapon which can be used equally for good or evil.
正像人们常常指出的，知识是一把双刃刀，可以用于造福，也可以用来为害。