Model ancestry is used for comparison purposes when parallel development requires merging two sets of changes into a single final version of the model.

当并行开发需要将两个系列的变更合并为模型的单个最终版本时，就需要模型起始以进行比较了。

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When good students turn in an essay, they dream of their instructor returning it to them in exactly the same condition, save for a single word added in the margin of the final page: "Flawless."

当优秀的学生上交一篇文章时，他们梦想着老师能把它原封不动地还给他们，除了在最后一页的空白处加了一个词：“完美无瑕”。

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In December, the album \ \ \ 's final single \ "Caught Up \" peaked at number eight on the Hot 100.

12月，专辑的最后一支单曲“Caught Up”在Hot 100上排行第八。

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Opening with a Kiswahili chant, Michael Jackson's song "Liberian Girl" was the ninth and final single released from his 1987 album Bad.

VOA: standard.2009.06.26

She still has one more shot at gold in the women's kayak single final on Thursday.

CNN: Olympics Day 12: Golden day for the U.S.

At the 11 previous World Championships, Jamaica had never won more than one gold medal per meet and in 2005 its runners failed to win a single final.

BBC: Bolt switches focus to relay gold

Ironically, it succeeded in keeping its options open by threatening to pick a single final design, which led contractors to cut prices to a point where continued purchase of both versions became feasible.

FORBES: Low-Cost Warship Rescues Navy From Shrinking Fleet