From all listed prices we allow a discount of 10 percent on orders received on or before 31st May.
5月31日或此前收到的订单,我们都按价目单上的价格给10%的折扣。
The development of the modern beehive in 1851 made it possible to design experiments to research the language of honey bees.
1851年现代蜂箱研制出来后,这才有可能来设计实验,研究蜜蜂的语言。