这项最新报告研究的是英语流利度和收入的相关性。
The latest report concerns the relativity between English fluency and salary.
(参考翻译:The newest report concerns the correlation between English proficiency and income.
或 The most recent report concerns the relationship between language skills and earnings.)
场景:新年音乐会是学员的钢琴表演展示。
造句:The New Year's Music Concert concerns students' piano performance.