Coffee cold knowledge that you don't know.

■ 1: there are only two calories in an espresso, which is great news for MM.

■ 2:coffee speaks similarly in almost all the languages in the world, no doubt even with a pronunciation like kafe.

■ 3: coffee is the second largest drink in the world after water, and tea is the third.

■ 4: when you drink coffee, your brain vibrates in response, so it is sometimes recommended that you drink coffee with a headache.

■ 5: when making a cup of espress, the caffeine extracted from coffee beans is 65%, but the caffeine extracted from the coffee from the French kettle is 98%. The best coffee for white-collar workers is made from the French kettle!

■ 6: at present, there are about 200 kinds of raw coffee beans, but there are about 2000 varieties of roasted coffee beans!

■ 7: the first pneumatic epresso coffee machine was invented by the French in 1901 and has a history of a hundred years.

■ 8: 80% of the coffee consumed in Italy is espresso, and another 20% is made with milk. How bitter it is!

■ 9: the first coffee cake machine was invented by ILLY in 1973.

■ 10: in Italy, 52% of coffee is imported from Trieste, and the whole port is also the largest source of coffee imports.