We have only tried it at home to see…
We have only tried it at home to see how they feel. The theory is good. Sadly, we had to cancel our next trip where we would have been on a plane for 10 hours. That will be a much better test.
美国
We have only tried it at home to see how they feel. The theory is good. Sadly, we had to cancel our next trip where we would have been on a plane for 10 hours. That will be a much better test.