他们不必交税。They didn't have to pay tax.你若要求部落里的人们交税,他们会反叛的.The tribesmen will revolt if you ask them to pay taxes.这些收入不须交税.No tax is payable on these earnings....
铅是早在古代就已知的金属之一。Lead was one of the metals known to the ancient world.水银是一种已知的有毒物质。Mercury is a known poison.人们通常从已知的事实中推断未知的事实.People usually infer an unknown fact from a known fact....
I owned a bookshop and desired to expand the business.我拥有一家书店，想要扩大业务。I hit on this book in a small bookshop.我在一家小书店里偶然发现了这本书.I got this book by chance at a second - hand bookshop.我赶巧在一家旧书店里买到这本书....
Silhouetted against the sun stood the figure of a man.阳光映衬出一名男子的轮廓。We could see a church silhouetted against the skyline.我们可以看到一座教堂凸现在天际.The mountain was silhouetted against the sky.这座山在天际映出黑色影象....