記者も困惑しているもよう
Why creating the perfect cup of coffee really is rocket science | Food | The Guardian
https://www.theguardian.com/food/2019/jan/26/coffee-beans-perfect-roast-outer-space--rocket-science
記者も困惑しているもよう
Why creating the perfect cup of coffee really is rocket science | Food | The Guardian
https://www.theguardian.com/food/2019/jan/26/coffee-beans-perfect-roast-outer-space--rocket-science