But is it really true that mimicry causes others to like us, or is mimicry just a by-product of successful social interactions?(真的是如此么，又或者是模仿只不過就是成功的社交互動的一種副產(chǎn)品？)

The cellular activity that produces these receptors also produces a type of circular DNA molecule as a by-product.(而產(chǎn)生這些受體的細(xì)胞活性也會制造副產(chǎn)品——一種環(huán)狀DNA分子。)

It appears, for instance, to be a by-product of conspicuous consumption.(比如說，它是炫耀性消費(fèi)的副產(chǎn)品。)

Even though leather is used so much today, it is only a by-product.(雖然皮革在今天被如此廣泛的使用，但是這只是個副產(chǎn)品。)

The resulting software development can be considered a by-product of the knowledge accumulated.(隨后的軟件開發(fā)可以認(rèn)為是知識累積的副產(chǎn)品。)

Strong, shatterproof and a highly valued form of polyester, PET is a by-product of the oil industry.(PET是煉油業(yè)的附屬產(chǎn)品，是一種強(qiáng)壯，抗摔打和性價比很高的聚酯。)

The plastic granulate itself is a by-product from diesel, and whatever is discarded in the manufacturing process gets recycled.(塑料原料顆粒本身就是柴油制造的副產(chǎn)品，在生產(chǎn)過程中分離出的任何物質(zhì)也都會重新進(jìn)入到生產(chǎn)循環(huán)系統(tǒng)中。)

Technologies do exist to manufacture propylene as an end in itself, rather than as a by-product.(科技確實(shí)可以將丙烯自身當(dāng)作最終產(chǎn)物而不是作為一種副產(chǎn)品來制造。)

Like many of today's great inventions, the microwave oven was a by-product of another technology.(就像今天很多偉大的發(fā)明一樣，微波爐也是其它技術(shù)的副產(chǎn)品。)

The most potent greenhouse gas is HFC-23, a by-product of HCFC-22, a chemical used in, among other things, fridges.(溫室效應(yīng)最強(qiáng)的其他十三氟甲烷(HFC-23)，是用于冰箱制冷的化學(xué)物質(zhì)HCFC-22的副產(chǎn)品。)