1、substance

物质;物品;东西

There's absolutely no regulation of cigarettes to make sure that they don't include poisonous substances.

根本没有法规来确保香烟不含有毒物质。

The substance that's causing the problem comes from the barley.

引起该问题的物质来自大麦。

重要性;重大意义

It's questionable whether anything of substance has been achieved.

是否已经取得了任何实质性进展还是个问题。

Syria will attend only if the negotiations deal with issues of substance.

只有在谈判涉及重大问题时叙利亚才会参加。

主旨;要点;实质;基本内容

The substance of his discussions doesn't really matter.

他讨论的要点实际上根本不重要。

2、suppose

假定;假设;设想

Suppose someone gave you an egg and asked you to describe exactly what was inside.

假设有人给了你一枚鸡蛋并要你准确描述鸡蛋里面有什么。

Supposing he's right and I do die tomorrow? Maybe I should take out an extra insurance policy.

假设他是对的，我确实明天就会死，那该怎么办？也许我应该再买一份保险。

(根据所知)认为，推断，料想

The policy is perfectly clear and I see no reason to suppose that it isn't working.

这项政策非常清楚明了，我没有理由认为它不会奏效。

I knew very well that the problem was more complex than he supposed.

我很清楚那个问题比他料想的要更复杂。