// ⚠️ 易错点3：此处返回n而非0（完全有序无需排序，长度为0）
Thus, despite much effort, no gelling agent has yet been discovered that possesses all the properties and benefits of agar. Agar continues to be the best all-arounder: versatile, cheap, and established. And, if Gelidium agar should ever run out, and another colloid is not at hand, microbiologists could revert to culinary agar, which, although not as pure and transparent, offers a low-cost alternative to lab-grade agar.，更多细节参见Line官方版本下载
Nvidia is the world's most valuable publicly-traded company, with a stock market value of around $4.8tn.，更多细节参见WPS下载最新地址
大部分爭論圍繞著不同研究者使用的不同調查方法。