First, I'm afraid of meeting someone who's out of control on the plane, and I'm hoping i can have a good rest on the plane, and then get off the plane and have the spirit to make the rest of the trip.<br>Second, getting sick, which can ruin the original trip, and if serious, go to the local doctor, the procedure must be very troublesome.<br>Third, I will worry about money, go abroad afraid to bring too much change, so I will choose to bring a credit card, but some places may not be able to accept the new credit card, this time the problem is very troublesome.
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