rule of thumb
US /ruːl əv θʌm/
UK /ruːl əv θʌm/
成語
1.
經驗法則, 粗略的估計
a broadly accurate guide or principle, based on experience or practice rather than theory
範例:
•
As a rule of thumb, always save at least 10% of your income.
作為經驗法則，至少要存下你收入的10%。
•
A good rule of thumb for cooking rice is two parts water to one part rice.
煮飯的一個好經驗法則是兩份水配一份米。
在 Lingoland 學習這個單詞