현금을 찾을 가능성이 있을까요? 중국에서 이미 서류를 제출했습니다. 학생여행이라서 신체에 많은 현금을 챙기는 것을 싫어합니다. 은행카드나 신용카드는 합법적합합니까 ?

Credit cards, not bank cards. Actually, carrying 1000 pigs is not a lot of money. 10000 is a typo.

It's hard to say. The customs have been strict recently.

The chance of being caught is always not high. The problem is that if you are caught, you have the right to be deported. You should weigh it carefully.

Only cash is counted, with a very small chance of spot checks.

Can check cash, I have checked cash when entering and leaving the country.

Not really, although the probability is low, if you are not prepared, the probability will be 100% if you check, and it's not good to delay the trip, so bring more.

Can add 200 seedlings to go the express lane

Well-managed establishments generally do not conduct random cash checks.