只需按照指示牌去市中心——这非常直接明了。

Just follow the signs to the city centre - it's very ___straightforward.

是否采用新政策的问题并不像看起来那么直接明了。

The issue of whether to adopt new policies is not as ___straightforward as it may seem.

在线申请的流程直接明了且用户友好。

The process for applying online is ___straightforward and user-friendly.