But on the other hand, with all the sustainability issues, you do need data to decide on fuel burn and your aircraft performance and your people queuing at the airports, trying to catch up with the technology, right?
但另一方面,考慮到所有可持續發展問題,你確實需要數據來決定燃料消耗、飛機性能和在機場排隊的人們,試圖趕上技術發展的步伐,對嗎?