この本でよく使われている100語。
age
almost
america
american
another
between
brampton
buildings
business
canada
case
century
change
children
city
community
costs
countries
cultural
culture
dark
during
economic
economy
education
enough
europe
even
evidence
example
families
federal
first
good
government
great
high
households
houses
housing
human
income
itself
jobs
knowledge
land
large
life
long
loss
lost
may
members
money
must
needs
new
north
now
numbers
others
own
part
people
percent
perhaps
place
point
professional
programs
public
question
reasons
roads
science
scientific
services
social
society
states
still
street
students
systems
take
tax
themselves
time
toronto
traffic
transit
two
united
university
use
war
western
work
world
years