That goes without saying那是自然的；那是肯定的
示例
A：If I was careful enough, I would not have lost it.
B：That goes without saying.
A：如果我足够细心的话，我就不会把它弄丢了。
B：那是肯定的。
A：I won't be anxious if I know the result.
B：Yes, it goes without saying.
A：如果我知道结果，我就不会忧虑了。
B：是啊，那是自然的。