1.Poincare has been regarded as conventionalist, yet we have reason to doubt it.

1.摘要直以来，彭加勒被视为约定主义者，然而，这有理由受到质疑。

2.Davidson overthrows this conventionalist view of communication by language in the light of his original ideas as to the essence of linguistic communication.

2.们通常认为,语言约定的规则系统,而语言交流活动之所以可能取得成功,则因为参与者们共有作为约定的语言。