说明书非常简明易懂，所以我们很快就完成了任务。

The instructions were ___straightforward, so we finished the task quickly.

选择职业道路并不总是一个简单的决定。

Choosing a career path is not always a ___straightforward decision.

她对那个复杂的问题给出了一个直截了当的回答。

She gave a ___straightforward answer to the complex question.