1. 入股：入党申请书Party membership application | 入股buy into | 入境旅游inbound tourism

2. 买进：buy in 买进 | buy into 买进 | buy it 放弃

3. [俚] 买进股票; 花钱活动使成某机关或团体的一分子：bought and sold 被出卖; 失败; 完蛋 | buy into [俚] 买进股票; 花钱活动使成某机关或团体的一分子 | buy it 被杀; 被枪杀 (解答不了谜语、问题等)而撒手, 放弃

4. 参与：12.格言:precept, doctrine, dictum, epigram, aphorism, adage, apothegm | 13.参与:buy into | 14.饭后打包的袋子:doggy bag

1. 收购，购买（公司或机构）的股份
    If you buy into a company or an organization, you buy part of it, often in order to gain some control of it.

公共查询·英语单词大全

    e.g. Other companies could buy into the firm.
           其他公司会收购这家公司的股份。

1. buy stocks or shares of a company