判断题
'Letter of credit' is often shortened as L/C or L.C. and is sometimes referred to as 'banker's commercial letter of credit', 'banker's credit', 'commercial credit' or simply 'credit'.()
正确(↓↓↓ 点击‘点击查看答案’看答案解析 ↓↓↓)
判断题 here are two types of business negotiations、formal and informal.()
判断题 ransportation insurance doesn't conform. to certain basic principles.()
判断题 无论是什么教学语法都应该是规范语法，即要有一个明确的标准，明确地告诉学生什么是正确的，什么是不正确的，什么是合乎语法的，什么是不合乎语法的。()
