Treasures unearthed by hundreds of archaeologists during the ongoing construction of the controversial HS2 train line have been shown exclusively to the BBC.
1. 选基准：随机选一个元素作为基准(pivot)
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法官查爾斯·奧斯蘭宣判時表示，關恆的證詞可信，並有充分理由擔心若被遣返會遭到迫害。
Compared to the cryptic stack traces common in imperative code, this execution trace makes the source of the error immediately obvious.