英语语法分析

"This is unchartered territory," says Dr Marasco.

“这是一个未知领域，”Marasco博士说。

When selling products that will take 40 years to deliver, however, even the most cautious navigators can be holed by unchartered reefs.

然而，当出售需要运输40年的产品之时，就算是最为小心谨慎的航海家也可能栽在未知的礁石上。

Indeed, we are moving through unchartered territory and we need new ways of understanding the shifting dynamics of the international landscape and our own bilateral relationship.

确实，我们正在走前人没有走过的路，我们需要用新的方式来理解国际环境的变化因素和我们本身的双边关系。