时间:1)It takes sb sometime to do sth.
eg.The work took us a week to finish.
2)I will spend two days (in) finishing this task.
3)This work costs them much time .
4)I don't spend much time on my homework.
钱:
1)I spent much money on the book.
2)How much have you spend?
3)what does this book cost?
4)This book will cost you.这本书将花你很多钱.