1. The study of custom can be profitable only after certain preliminary propositions have been accepted, and some of these propositions have been violently opposed.
    只有在某些基本的主张被接受下来、同时有些主张被激烈反对时，对风俗的研究才是全面的，才会有收获。

2. This fall, the Hyde Foundation is scheduled to begin a preliminary public school program in Baltimore.
    今年秋天，海德基金会计划在巴尔的摩启动公立学校预备教学计划。

3. Preliminary arrangements have been made for the talks.
    会谈的准备工作已经就绪。

4. Mr. Forsgren said he thought the market had "reacted a bit emotionally to preliminary information".
    佛斯格伦先生说，他认为股票市场"对初期消息的反应有点情绪化了。"