An expert said the biggest problems were hotels by the beaches, boats, and plastic waste in the sea.

一位专家表示，最大的问题是海滩附近的酒店、船只和海洋中的塑料垃圾。

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An expert said mobile phone use was a distraction to students during school hours.

一位专家表示，在上课时间使用手机会分散学生的注意力。

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"Worshipping famous people is not certainly a bad thing," Dr. John, an expert said.

“崇拜名人不一定是一件坏事。”专家约翰博士说。

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The newspaper said he was well known as an expert with guns and had killed several men.

VOA: special.2010.03.10

An arms expert said Monday he believed the ship was carrying weapons to Somalia, in contravention of a U.N.arms embargo.

VOA: standard.2009.11.10

The president's trip and comments also are geared to a domestic audience with an eye on Pakistan's powerful military establishment, said Pakistan expert Farzana Shaikh of London's Chatham House research center.

VOA: standard.2010.08.06

The remains may be from late Iron Age or early Roman era, an expert said.

BBC: Human and animal remains at the site

It features a scorpion, phallus, snake and crab, but the meaning of the combination "is lost" an expert said.

BBC: Norwich Castle Museum set to acquire 'curious' treasure

PITTSBURGH, Pennsylvania (CNN) -- An expert said Wednesday that oxygen generator bottles should be safe to ship as cargo, but admitted they heat up to 1200 degrees inside the canister when activated.

CNN: Expert: Oxygen generators should be safe as cargo