n. the act of redirecting resources from being consumed today so that they may create benefits in the future; the use of assets to earn income or profit
A. maintenance
B. investigation
C. investment
D. league
查看答案
n. the act of keeping sth. in good condition by checking or repairing it regularly; the act of making a state or situation continue
A. lantern
B. index
C. maintenance
D. lightning
n. the size or measurement of sth. from one end to the other; the amount of time that sth. lasts
A. length
B. melon
C. jungle
D. layout
n. a join made by tying together two places or ends of string, rope, etc.. ;
A. limb
B. lid
C. knot
D. lorry
n. a list of names or topics that are referred to in a book, etc., usually arranged at the end of a book in alphabetical order or listed in a separate file or book
A. index
B. insult
C. lumber
D. liner