参加版权公约后，使用外国作品有何限制？参加了版权公约，就必须承担保护外国作品的义务。也就是说，往后再使用外国作品时，一般首先要取得外国作品版权人的许可，并在使用后支付报酬。但事情也不是完全绝对化，在参加版权公约后，外国作品还有以下５类可以自由使用：１... After joining the Copyright Convention, what are the restrictions on the use of foreign works? Participated in the Copyright Convention, you must assume the obligation to protect foreign works. In other words, in the future, when foreign works are used again, it is generally necessary first to obtain the permission of the copyright holder of the foreign works and pay the remuneration after use. But things are not completely absolute. After joining the Copyright Convention, the following five categories of foreign works are free to use: 1 ...