但ERP系统的实施充满了挑战和风险，在实施ERP系统时，明确ERP的实施基础和条件至关重要。

But it is full of challenge and venture to carry out it, while putting ERP system into practice, putting of clear and definite ERP into practice foundation is with the term to the pass importance.

目前，现代医学对于UC病因及发病机制尚未完全明确，可能与遗传、免疫、感染、环境及精神等多种因素密切有关。

For the time being, the pathogenesis, not clear and definite, is believed to relate to heredity, immunity, infection, environment and psychiatric factors by modern medicine closely.

我明确告诉过你不要靠近水边！

I specifically told you not to go near the water!

他明确表示他对协议的事一无所知。

He stated categorically that he knew nothing about the deal.

参加问卷调查的所有人中有四分之一没有表示明确意见。

A quarter of all the people surveyed were don't-knows.

合同明确规定谁可以操作机器。

The contract clearly specifies who can operate the machinery.

我们的想法开始形成了一个明确的计划。

Our ideas began to crystallize into a definite plan.

我们需要明确今后的任务。

We need to define the task ahead very clearly.

从一开始我就明确地说我不赞成。

I made it clear right from the outset that I disapproved.

我们想找一个有明确目标的人。

We are looking for somebody with a clear sense of direction.

教学大纲明确规定了哪些是必读的书。

The syllabus prescribes precisely which books should be studied.

对于应该采取什么正确步骤，还是有些不明确。

There is some confusion about what the correct procedure should be.

他竭力支支吾吾不给予明确的回答。

He tried desperately to wriggle out of giving a clear answer.