3原价
original price
yuán jià
10套
quantifier (for dinner set, books, furniture, etc.);
set
tào
11趟
quantifier (trips)
Tàng
18表示
express; show; indicate
biǎo shì
19趁
take advantage of (time oppotunity, etc.)
chèn
20反而
instead; on the contrary
fǎn ér