They're such lousy swimmers that some zoos have stopped surrounding enclosures with moats –too many orang-utans have drowned.
它们的水性非常差，以致有些动物园已经不再以壕沟做围护，因为溺死的红毛猩猩太多了。
All of the exhibits are designed with barriers, moats, walls or fencing, quite often fencing that's difficult for visitors to see.
所有的展品都设计了栅栏、壕沟、墙壁或篱笆，不过不会使游客们难以看清展品。
Stock with companies with narrow "moats".
选择少有“护城河”的公司。
They were hard at work, by the water's edge, building an elaborate sand castle with gates and towers and moats and internal passages.
他们玩得很起劲，在水边用沙子建起带大门、塔楼、护城河和内部通道的精美城堡。
Business history is filled with "Roman Candles," companies whose moats proved illusory and were soon crossed.
商业史充满了“罗马蜡烛”，那些自我保护措施不足的公司会很快在竞争中败下阵来。
He also seeks companies with "moats" of competitive advantage to withstand assaults by fresh rivals.
他还寻找那些构筑了竞争优势“壕沟”、可抵挡住新竞争对手冲击的公司。
"Business history is filled with" Roman Candles ", companies whose moats proved illusory and were soon crossed, "he added in 2007.
“商业史上充斥着大量罗马蜡烛'公司，它们的壕沟形同虚设，很快就被对手越过。”他在2007年股东信中写道。
"Business history is filled with" Roman Candles ", companies whose moats proved illusory and were soon crossed, "he added in 2007.
“商业史上充斥着大量罗马蜡烛'公司，它们的壕沟形同虚设，很快就被对手越过。”他在2007年股东信中写道。
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