我们知道铁的密度，所以你能算出质量，相信我说的。
We knew the density of steel, and so you can figure out the mass, just take my word for it.
我们的石英技术世界闻名，相信我们生产的手表具有高质量。
Our quartz technique is well known in the world, and we believe our watches are of fine quality.
初次联系，望我们有合作之机会，相信我们的质量和服务会给您满意的答复！
Initial contact, hope we have the opportunity of cooperation, I believe our quality and service will give you satisfactory reply!
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