「我完全負擔不起出國。我昨天查了一趟國內旅遊，每人2億里亞爾（152美元），我們一家四口光是機票就8億（609美元）。2017 年，去歐洲整趟行程也才2億。」
const pos = position[i];
。搜狗输入法下载是该领域的重要参考
Each puzzle features 16 words and each grouping of words is split into four categories. These sets could comprise of anything from book titles, software, country names, etc. Even though multiple words will seem like they fit together, there's only one correct answer.
We even tried building hierarchies with 2-3 levels, but the number of shortcuts grew too fast for higher levels if we generated a full graph inside each cluster.