1. An individual human existence should be like a river----small at first, narrowly contained within its banks, and rushing passionately past boulders and over waterfalls.
    个人的存在应该像一条河流，开始很小，被紧紧地夹在两岸中间，接着热情奔放地冲过巨石，飞下瀑布。

2. At present, there is no telescope in existence that is capable of detecting the presence of life.
    现在，没有一台现存的望远镜可以发现生命的存在。

3. Once the existence of this wave-length had been discovered, it was not long before its use as the uniquely recognizable broadcasting frequency for interstellar communication was suggested.
    一旦这种波长的实际存在被发现，提出把它作为星际间唯一可辨认的广播频率就为期不远了。

4. The ascetic existence of monks and hermits
    僧侣隐士的清苦生活.

5. They do not make the further intellectual and emotional effort needed to comprehend form in its full spatial existence.
    但他们没有在智力和感情上进一步努力去理解存在于空间的整个形态。

6. Life to him seemed hollow, and existence but a burden.
    生命对他来说是空虚的，活在世上不过是一种负担。

7. It is difficult for any of us in moments of intense aesthetic experience to resist the suggestion that we are catching a glimpse of a light that shines down to us from a different realm of existence,
    无论是谁，在强烈感受到美的时刻，心中都不禁油生一种遐想：我们似乎瞥见从另一个世界射向我们的一线光芒，