The only legal tender in People's Republic of China (PRC) is RMB, while foreign currencies are forbidden to circulate in China, because the country is easy to manage. China has a trade surplus every year, that is, China exports more than imports. Therefore, foreign exchange reserves are China's trade balance over the years. The purchasing power of holding money for a long time will depreciate. Theoretically, after the localization of trade currency, foreign exchange can only buy corresponding materials and technologies if it finds the issuing country.

It is also possible:

In the first case, your bank card is frozen for various reasons.

In the second case, your bank card itself has some special circumstances or misoperation, which belongs to account locking, such as three consecutive password errors, but it will be automatically unlocked after 24 hours.

In the third case, although the funds in your bank account have been transferred, they are locked. For example, after the transfer of account funds in recent years, the transferor can cancel it within a certain period of time.

In the fourth case, your funds have already purchased wealth management products, but the money has not been taken away.