“The art market has changed,” Coulson says. “It has gone from professionals only to a kind of luxury retailing where you have no idea who you are dealing with.”
库尔森说：“艺术品市场已经变了，不再像原来那么专业，成了类似奢侈品零售的地方，你都不知道和你交易的这些是什么人。”
This air scaler is intended to remove dental plaque, calculus and stain from tooth surface and tooth root by dental professionals only.
本产品是由资质的口腔科医生在口腔科治疗过程中对患者的牙体表面所粘着的牙垢，牙结石，着色去除时所使用的设备。
All the relevant electric adjustment must be done by the professionals ONLY.
所有有关电气的调整必须由专业人员来完成。
All the relevant electric adjustment must be done by the professionals ONLY.
所有有关电气的调整必须由专业人员来完成。
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