(Moreover), Major League Soccer has added several new teams (in the last ten
Sieu.
V
O bus & diod
years), so that few regions of the United States now lack a professional soccer
Sใ
O'
team).
ใ็ตๆใ ใ่กจใ so that
ใใใซ, ใกใธใฃใผใชใผใฐใตใใซใผใซใฏใใ10ๅนดใงใใใคใใฎใใผใ ใๆฐ่ฆๅ ็ใ
ใฆใใ,ไปใงใฏ,ใใญใตใใซใผใใผใ ใๅญๅจใใชใใขใกใชใซๅ่กๅฝใฎๅฐๅใฏใปใจ
ใใฉใชใใใใใใใจใใ
่ชๅฅ region ๅ ๅฐๅ/lack ใใใชใ
่จณ
ๆๆณใปๆงๆ so that S' ๅฉๅ่ฉ V' ใฏ ใ็ฎ็ (S'V' ใใใใใซ)ใ ใ่กจใใพใใ, "~, SO
that S'โ
ค' ใฏ ใ็ตๆ (~ใ ใ ใใฎ็ตๆ S'V' ใ )ใ ใจใชใใพใใ