清楚的理由

unclear reason───原因不明

nuclear reaction───核子反应

clear direction───明确方向

clear glass───透明玻璃；净片玻璃

clear head───清醒的头脑；净空高

close season───禁期；禁猎期

dead season───淡季；停滞季节

Many college students really don't have a clear reason for being there other than the fact that they don't know what else to do yet.───许多大学生朋友们对于自己为什么上大学心中都没有一个很明确的概念而不是说不知道自己到底应该做什么。

By contrast, there is a clear reason to be concerned about the use of cloning in animal breeding.───相比之下，这里有一个清楚的理由，让我们去关注克隆技术在生物繁殖方面的用处。

Providing me as a user with a clear reason why I should be using open formats was really quite refreshing.───作为一个用户，它提供给我们理由为什么我们应该使用开放格式，这一点非常爽。

Plato, carried by his clear reason and the noble sanity of his spirit beyond the things of the present, would have abolished slavery.───清晰的理智和高尚健全的精神使柏拉图得以超越当时世事的范围而会想废除奴隶制。

You will never find anybody who can give you a clear reason why we treat our body as the enemy. We hate it, always keep it hungry. . .───你无论如何也找不到这样的人，他能给你解释清楚为什么我们像对敌人那样对待自己的身体——我们恨它，总是饿着它……

Through the haze around the markets last week, a clear reason for this bipolar condition emerges.───透过上周市场的阴霾，可以清楚地看到这种两极情况的理由。

the reasons for insomnia caused by unknown factors are the reasons: Some patients may also be no clear reason appears.───引起失眠的原因有原因不明因素：有些病人无明确原因时也可出现。

unexplained factors: Some patients may also be no clear reason for insomnia.───原因不明因素：有些病人无明确原因时也可出现失眠。

It did not give a clear reason.