The international trade is a topic of public interest and concern.
2. 在交流领域中，最热门的话题也许就是因特网的产泛使用。Perhaps the hottest topic in the area of communication is the widespread use of the Internet.
The development of English as a global language is one of the most remarkable phenomena of the late 20th and early 21st centuries.
4. 文化和旅游业之间的关系已经在世界范围内引起了广泛关注。The relationship between culture and tourism has received a great amount of attention throughout the world.
In recent years, the debate about trade activities between countries has been fuelled / intensified by overtly rapid expansion of importing.
6. 教育已经成为一个重要产业，它对社会的重要性无可比拟。Education has become an important industry, an industry that is second to none in terms of importance to our society.