foreground and background colors at work
第八十七条 鼓励涉外仲裁当事人选择中华人民共和国（包括特别行政区）的仲裁机构、约定中华人民共和国（包括特别行政区）作为仲裁地进行仲裁。
。夫子是该领域的重要参考
Nature, Published online: 25 February 2026; doi:10.1038/s41586-026-10137-y
In Asia excluding Japan, organic revenue slipped 4% for the year. Performance improved in the second half, however, with organic growth of 2% in the third quarter and 1% in the fourth quarter, reversing the first-half downturn.
if (n <= 1) return n;