It's not easy being green — particularly if you're learning to fly.
원문출처 : https://www.cnn.com/2022/09/01/business/pipistrel-velis-electro-flight-training-spc-intl/index.html
원문출처 : https://www.cnn.com/2022/09/01/business/pipistrel-velis-electro-flight-training-spc-intl/index.html