This is an advertisement.

"A diamond lasts forever, and a diamond lasts forever" is the slogan of De Beers, who is known as the "king of jewelry".

Founded in 1888, De Beers is one of the top ten diamond brands, the world's leading rough diamond company, synonymous with diamonds, and has unparalleled professional technology in diamond exploration, mining and sales.

With more than 120 years of diamond professional experience, De Beers Diamond Jewelry has the most professional right to speak about high-quality diamonds. De Beers Group introduced 4C standard to consumers in 1939, and skillfully came up with the world-famous brand slogan "A diamond lasts forever, a diamond lasts forever" in 1947. De Beers Diamond Jewelry Company is proud and honored to inherit this precious historical wealth.

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The well-known advertising slogan "Diamonds last forever" is often used as a test center by teachers. The test sites of this classic advertisement are mainly English, Chinese and chemistry.

In the English test, the most common test site is the English advertisement "A diamond is eternal". The answer is simple, which can be literally translated as "a diamond is eternal".

In Chinese examination, the most common test site is the rhetorical device of advertising word "a diamond lasts forever", and the answers are exaggeration and duality;

In the chemistry exam, the most common test site is "a diamond lasts forever, and a diamond lasts forever". The answer is that it reflects the inactivity of carbon.

Because the composition of diamond is elemental carbon, which is chemically inert at room temperature, it is difficult to react with other substances, and it will be preserved for a long time, so a diamond lasts forever, and a diamond lasts forever.