提单日期后30天付款的远期汇票如下：

  Exchange for GBP 600.00        London, 17 July 200×

  At 30 days after B/L date 16/JUL/200× pay to the order of ourselves the sum of Pounds Sterling six hundred only

  (1)请转换成说明日期16/JuL/200×后30天付款的远期汇票

  Exchange for GBP 600.00        London, 17 July 200×

  At ①______ days after ②______ pay to the order of ourselves the sum of Pounds Sterling ③______ hundred only

  (2)再请转换成出票日期后30天付款的远期汇票

  Exchange for GBP 600.00        London，①______ July 200×

  At ②______ days after ③______ pay to the order of ourselves the sum of Pounds Sterling six hundred only