Books have a centuries-old tradition of annotation and commentary, ranging from the Talmud and scholarly criticism to book clubs and marginalia.

从犹太法典与学术考证到书籍俱乐部和页边旁注，几个世纪以来，人们一直有给书做评论和注解的习惯。

Our analysis of 188 foreign joint ventures in an emerging market suggests that opportunism increases with information unverifiability and law unenforceability.

我们188个外有场的合资企业，发信息不可考证性和法律的非执行性增加机会机会主义。