Now here, we can replace because with as.在这里，我们可以把 because 替换为 as。As is a direct synonym for because, but it's a secondary one.As 是 because 的直接的同义词，但它是次要的。As can be used quite easily in place of because.As 可以很简单地代替 because。When I was a child,...
The conjunction since is often used in contemporary English as a synonym for because. This is now widely accepted in most contexts but should be avoided in more formal ones, or if any misunderstanding is possible due to the fact that since can express time (I haven’t been back there since...