加a，例如：

1. In the year to August 2007, IKEA, a Swedish furniture chain, sold over one million kitchens worldwide.截至2007年8月，瑞典家具连锁店宜家家居在世界范围售掉超过100万个厨具。

2.A Swedish study compared the relationship between student performance and their mental health in later life.瑞典的一项研究比较了大学生的表现和心理健康两者之间的关系。

3. There's actually a Swedish study about how you can train muscles to remember.有一项瑞典的研究有办法帮助你训练肌肉。