But experts do have a good theory.

但对此专家实有一个比较好的理论。

Any of you have any good theories?

你有什么好的理论吗？

But, we do have a couple of good, if competing, theories about where snakes came from.

但是，实有一些关于蛇从何而来的好理论，如果相互竞争的话。

I did not get her sick, she is not an experiment, I have a legitimate theory about what's wrong with her.

没治坏她这不是试验 有个很好的理论解释她的症状。

And while we may not know the exact answer, there are a number of really good theories about why we need it.

虽然可能不知切的答案，但有许多关于为什么需要它的非常好的理论。

However, the tortoise theory fails to be a good scientific theory because it predicts that people should be able to fall off the edge of the world.

然而，乌龟理论并不是一个好的科理论，因为它预言人应该能够从世界的边缘掉下来。

There is a classical conditioning model of phobias, which we are all familiar with, but we are all familiar with why it is not a very good theory.

有一个经典的恐惧症条件反射模型，都熟悉， 但都熟悉为什么它不是一个很好的理论。

However, it is important to note that because we cannot directly observe how fast dinosaurs move, or if they heard, we can only develop good theories about these activities.

然而，需要注意的是，由于无法直接观察到恐龙移动的速度有多快，或者如果它听到了声音，只能对这些活动提出很好的理论。

It has to be experienced but we have no real good theories of the sort of experience that makes one person adventurous and another one timid, one bitter and one satisfied.

它必须经历，但没有真正好的理论来描述那种让一个人冒险而另一个人胆怯、痛苦和满足的体验。

Well, that's a good question, because the basic idea of chaos theory is that there aren't any " models" as such there aren't guaranteed forms, but rather patterns of change in development.

你这个问题问得很好，因为混沌理论的基本想法是，根本没有什么“模型”，没有肯定的形式，而是在发展的变化中存在一些模式。

" I tink I will a little study." " She is a very good theory." ) His shaggy hair, now white, grew even wilder and he often went without socks, belt, or suspenders.

“想会习一点。 ” “她是一个很好的理论。 ” ）他那蓬乱的头发，现在已经白了， 变得更加狂野， 他经常不穿袜子，不穿腰带，也不穿背带裤。