transient effect

例句：

1. 1. The transient effect of the new policy is still being studied.
   新政策的暂时影响仍在研究中。
2. 2. The transient memory of a person's childhood is often vivid and enduring.
   一个人的童年记忆往往是鲜明而持久的。
3. 3. The transient nature of life means that we must constantly adapt to new situations.
   生命的短暂性意味着我们必须不断适应新的情况。