个人收入减去______等于个人可支配收入。
参考答案：个人所得税
用经纬仪照准在同一竖直面内的两点，水平度盘读数、竖直度盘的读数是相同的。
The old man has lived in this city _____. [ ]
A. for 2001
B. since 10 years
C. since 10 years ago
D. for 10 years ago
