The only certainty is that nothing is certain.
唯一可以肯定的是：凡事都难以肯定。
The only certainty is that nothing is certain .
唯一能确定的就是没有什么是确定的。
About the only certainty is that tax rules differ from country to country.
仅有一点可以肯定的是，国与国之间的税收规则不尽相同。
Always expect the Unexpected Because the Only certainty Is uncertainty.
期待意想不到的事，因为最大的必然就是偶然。
Always expect the Unexpected Because the Only certainty Is uncertainty.
期待意想不到的事，因为最大的必然就是偶然。
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