聽力每日練習 listen 926 Rule of Thumb

 
2--But what does a thumb have to do with rules? Rule of Thumb
 
1--I thought you were supposed to be in Mexico City for your friend's wedding.
 
2--Yeah...about that... I missed my flight last night.
 
1--I thought getting there 40 minutes early would be enough time, but it wasn't.
 
2--For international flights, the rule of thumb is to get to the airport two or even three hours early.
 
1--Unfortunately, your advice comes about ten hours too late, Jonathan.
 
2--A "rule of thumb" is a general estimate.
 
1--It is not scientific or exact.
 
2--This expression comes from using body parts as units of measure.
 
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注解：
 
1.thumb翻閱
2.flight航班
3.measure測量

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譯文：

1--拇指是你手掌上最短的一個手指。
2--不過一個拇指和規(guī)則有什么關系？經(jīng)驗法則
1--我記得你應該是去墨西哥城參加你朋友的婚禮啊。
2--是的，不過我錯過了昨晚的航班。
1--我本以為提前40分鐘到時間完全夠了，但是還是沒來得及。
2--對國際航班來說，經(jīng)驗法則是要提前兩個甚至三個小時到機場。
1--很不走運，你的忠告遲到了大約10個小時，Jonathan。
2--一則經(jīng)驗法則是一種大致的估計。
1--它并不是科學的或者說確切的。
2--這個短語來源于用身體部位作為衡量的單位。