Common Words by Reading

ため
70.2%
good ②sake ③consequence ④affecting
foreign exchange
Foreign Exchange and Foreign Trade Act
exchange bank
the good you do for others is good you do yourself ②you can't save others (from themselves)
for the benefit of both parties
28.1%
artificiality ②commission (of a crime)
1.7%
to become ②to result in ③to do ...
to build up ②to form ③to intend to
Others
(former) postal note (abolished in 1951)