1. money market fund: this is a fund that invests in short-term bonds, commercial paper and other highly liquid financial assets. These funds are usually issued by banks and other institutions and can be traded in the money market.

2. Short-term loan: this is a short-term loan provided in the international market, which is usually used to meet the short-term capital needs of enterprises. These loans are usually provided by banks and other financial institutions.

3. Foreign exchange market transaction: This is a transaction between currencies of different countries. These transactions may involve currency exchange, foreign exchange futures and options.

4. Letter of Credit and Letter of Guarantee: This is a common payment method in international trade, and is usually guaranteed by a bank. Letters of credit and letters of guarantee can be traded in the international market, thus providing short-term capital flow.

5. Asset securitization: This is a process of converting real estate, loans and other assets into securities. These securities can be traded in the international market, thus providing short-term capital flows.