Natural-diamond merchants claim they aren't worried, but DE Beers has made a device that can distinguish between the natural stones and the synthetics and is distributing it to jewelers.
Instead, she sent me a document that just restated the claim - that a cooling device will help prolong a laptop's battery life.
她只是给我一份文件——里面重申了那个理论——散热设备能延长手提电脑的电池寿命。
3
While some vendors claim that the USB drives has internal antennae to boost a signal, despite dismantling the device, Shanghai Daily could find no trace of this.