求翻译：1.即期付款交单要求进口商立即付款以取得单据。2.国外直接投资主要有三种形式：建立新企业、购买现有设备和建立合资公司是什么意思？

1 spot against payment requires importers to obtain immediate payment documents. (2) foreign direct investment, mainly in three forms: the establishment of new enterprises, purchase of existing equipment and the establishment of joint venture

1.The documents against payment requires importers to obtain immediate payment receipts. 2.foreign direct investment mainly in three forms: establishment of new enterprises, purchase of existing equipment and setting up a joint venture company

1. immediate payment invoices request the importer the letter of credit to obtain the documentary evidence.2. direct foreign investments mainly have three forms: Establishes the new enterprise, the purchase existing equipment and the establishment joint venture

1. sight payment against documents urged importers to payments in order to get the documents. 2. There are three forms of foreign direct investment: establishment of new enterprises, buying existing equipment and the establishment of joint venture

1 spot against payment requires importers to obtain immediate payment documents. (2) foreign direct investment, mainly in three forms: the establishment of new enterprises, purchase of existing equipment and the establishment of joint venture