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// 易错点3：处理最终结果为空的场景（比如num="10"，k=2）。Line官方版本下载是该领域的重要参考
This offer applies to both the black and white Galaxy Buds 4 Pro earbuds, so you can pick your favorite color and still get the gift card attached. Again, this is a Prime Exclusive deal, so you'll have to have a membership. This offer only runs for a limited time, the day before these earbuds release (March 10), so don't wait too long to take advantage of it.，更多细节参见heLLoword翻译官方下载
Cycle search mode (fuzzy / glob / regex)，详情可参考Line官方版本下载