但其实，用户没必要长时间悬空手臂使用 Mac，只是在一些特定的场景，使用手指直接点击、拖动，真的会比触控板更方便直观，也更符合现代人的习惯。
for each candidate in list of candidates
，详情可参考搜狗输入法2026
Point lookups are useful, but the operation you'll reach for more often is a range query: give the tree a rectangular region and retrieve every point inside it, without scanning the entire dataset.
Washington endorsed Pakistan’s “right to defend itself” after it bombed major cities across Afghanistan amid heightened tensions between the two hostile neighbours.