have no precedent go by

例句：

1. 1.The company's decision to invest in a new technology has no precedent go by.
   该公司决定投资新技术的决定是没有先例可循的。
2. 2. The new policy will have no precedent go by, as it is the first of its kind.
   新政策将不会有先例可循，因为它是同类中的第一个。
3. 3.The company's decision to invest in a new technology has no precedent go by.
   该公司决定投资新技术的决定是没有先例可循的。