Glossary
View All Words
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
#
A
B
C
coins
D
E
Economics
exchange
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
services
specialization
T
trade
U
V
W
X
Y
Z
#
trade
The exchange of goods and services for money or other goods and services.
Select this then click anywhere in the book to start reading text
Speak the current selection
Stops speech playback
Double-click a word in the book and click this icon to translate the word into Spanish