Getting a refund from that airline feels like a lottery, so keep every receipt.

要從那家航空公司拿到退款就像碰運氣，所以每張收據都要留好。

For many applicants, landing an interview at this firm is something of a lottery.

對許多應徵者來說，能在這家公司得到面試機會多少有點靠運氣。

With no tracking number, delivery times for overseas shipments are a complete lottery.

沒有追蹤號碼的話，海外貨件何時送達完全是碰運氣。