DETECTIVE STONE: Well, you're the expert.

斯通侦探：嗯，你是这方面的专家。

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In addition, you can ask landscaping expert advice to get more good advice about buying and using landscape stone.

此外，你可以向景观美化专家咨询以得到更多有关购买和使用景观石的好建议。

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Expert evaluating system can rapidly track and correctly forecast hazard grade at small open stone quarries, improve the efficiency of safety evaluation and raise reasonable safety countermeasures.

危险程度的专家评价系统能快速地跟踪和准确地预测小型露天采石场危险程度，提高安全评价的效率并及时提出合理的安全对策措施。

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The owners were keen to move to a smaller house and, after meeting with a Bonhams expert, invited him to look at the stone, which was lying at the end of a path in their garden.

BBC: UK garden step 'is ancient Sri Lankan moonstone' artefact