Even now, clear lines of authority for handling the many-headed crisis have not been properly established.

而即使是到了今天，应对棘手的灾难，日本当局还是没能制定出一套清晰的应对方针。

" Clear lines of authority" is similar to a " clear chain of command." It's really the same thing.

“清晰的权限” 与“清晰的指挥链” 类似，其实是一回事。

Despite clear lines of authority, family members tend to take sides and play the blame game whenever anything goes wrong.

尽管有明确的权力界限，但每当出现问题时， 家庭成员往往会站在一边并玩责备游戏。

I think what the story is saying here is that even though there are clear lines of authority, people don't follow them.

我认为这个故事在这里说的是，即使有明确的权力界限，人们也不会遵循它们。

Even though we have clear lines of authority in the company, " family members still tend to take sides." " Tend to" means they often or typically do something.

即使我们在公司有明确的权力界限，“家庭成员仍然倾向于站在一边。 ” “倾向于” 意味着他们经常或通常做某事。