100年前的生活妙招：天然黃油VS人造黃油

People don't often look back on the early 1900's for advice, but what if we could actually learn something from the Lost Generation?
通常人們不會爲了求取生活妙方而去回顧20世紀初的年代，不過如果那個“垮掉的一代”真的能對我們有所助益呢？

The New York Public Library has digitized 100 "how to do it" cards found in cigarette boxes over 100 years ago, and the tips they give are so practical that millennials reading this might want to take notes.
紐約公共圖書館將一組100多年前的香菸盒上的“生活妙招”卡片進行了數字化處理，這些卡片上的小貼士實在太實用了，二十一世紀的我們看到了也會多加留意！

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How to Test Butter
如何區別天然黃油和人造黃油

A good way of testing butter is shown in the picture. Rub a little of the suspected compound upon a piece of paper and ste the paper alight.
上圖說明了一個檢驗黃油的好辦法。將這塊有待檢驗的黃油取出一點塗在一張紙片上，然後將紙片點燃。

If it is pure butter, the odour will be dainty and agreeable, while the presence of Margarine is made known by an unpleasant tallowy smell.
如果這是塊純天然的黃油，燃燒發出的氣味聞起來就輕柔宜人，如果是人造黃油，就會發出一股刺鼻而油膩的味道。