Physical variance
[经] 效率差异, 实际差异
🧩 词语组成解析
variance
['vɛəriəns]
n. 变化，变动;不一致;分歧;<数>方差;
🗣️ 情景例句
take a vacation away from the family--alone.
离开家人而单独在一起渡个假。
The new leaves in springtime have a soft touch.
春天的新芽有柔软的触感。
When he returns home at night, he always finds that someone has parked a car outside his gate.
当他夜里回到家时，总是发现有人把车停在他家大门外。