Quality is never an accident; it's always the result of intelligent effort.
质量从来不是偶然的，它始终是智慧努力的结果。
The genetic code is the set of rules by which information encoded in genetic material (DNA or RNA sequences) is translated into proteins (amino acid sequences) by living cells.
夜晚是一座伟大的剧院，但星星是它的演员。
历史的伤痕并非总是可见的，但它们始终存在。