Does it mean Amazon has difficulty in making money? I used this link: http://thegrammarexchange.infopop.cc/eve/forums/a/tpc/f/340600179/m/447102473
"On the other hand, Amazon is becoming a revenue machine with very little margin, while Facebook generates 5x more profit despite far smaller top line numbers."
Source: http://www.businessinsider.com/heres-how-the-top-5-tech-giants-make-their-billions-2017-5