Efficiency standards
[经] 效率标准
🧩 词语组成解析
n. 标准；规格（standard的复数）
🗣️ 情景例句
She is quite good with her hands.
她的手很巧。
Travel east or travel west, a man's own home is still the best.
走到东，走到西，最好还是到家里。
How do you keep in shape?
你怎么保持身材？