外国にも歯医者代が高くて払えない人がたくさんいるようなので 外国の人とも協力しましょう。 I want to save the ivory-carpenter fee though there is money that doesn't include money that visits the dentist even if there is insurance proof that money and doesn't include the insurance proof either.
Let's put ones' efforts together all.
Let's cooperate with the foreigner in a lot of people's who cannot pay also to the foreign country because the ivory-carpenter fee is high there.