在那里生活了几个世纪后，他们相信自己丰富的传统知识对完成这项任务至关重要。
Having survived there for centuries, they believe their wealth of traditional knowledge is vital to the task.
IGAA采用先指导，后教育的哲学观念来完成这项任务。
IGAA does this with the philosophy of Guide first, educate later.
这项任务完成后，我设置了一些关键的系统注册听。
With this task complete, I set the systems up for some critical listening.
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