理清，弄明白 +专业度高、很复杂的领域
1）因为书单异常晦涩，只有一半的人完成了阅读作业。
Only half of the people finished the assistant because the reading list was hard to navigate.
Recommend: Only half the students completed the assignment because the reading list was unusually obscure to navigate.
2) 查看说明书有时能够帮助新手弄清楚复杂的系统。Reading the manual sometimes enables freshmen to navigate the complex and comfusing systems.
