When the number from 1 to n are written in decimal notation the total number of digits is 1890 把从1至n之间的数连写成一个十进数，总位数是1890 。
Put a few drops of food colouring in the cistern and wait for 15 minutes . if the colouring appears in the toilet bowl , you have a leak 你可在马桶贮水缸内加进数滴食用色素，然后等待15分钟，若厕盆出现颜色，代表贮水缸漏水。
" he is so vile , the ayatollah , vile to impose the death sentence , " said koch at city hall . " if he ( rushdie ) hadn ' t gotten this advertising it would be on remainder , because i ' m told it ' s such a dull book . now he ' ll make multi - millions of dollars , but i hope he ' ll live to spend it . "他真卑鄙，阿亚图拉真卑鄙，居然下了死刑令， "葛德华在市政府说。 "如果他[拉什迪]没有这一通广告，他的书一定会滞销。我听说那本书非常枯燥。现在他会赚进数百万，不过我希望他能活着用这笔钱。
