在现行的价格，样品所用的材料已经是最好的的翻译：Under the current pricing, materials have been used by the samples are the best 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

In current prices, sample material has been used is the best

Under the current pricing, materials have been used by the samples are the best

In the present price, the material which the sample used already was best

In the current price and samples of materials used are already is the best

Under the current pricing, materials have been used by the samples are the best