Given a sentence in English, provide an equivalent paraphrased translation in Japanese that retains the same meaning both through the translation and the paraphrase.

[EX Q]: Earlier in 209 , Sun Quan Sun married Quan ’ s younger sister , Lady Sun , to strengthen the alliance between him and Liu Bei .
[EX A]: 209年の初めに、サンカンは、サンカンの妹レディーサンと結婚し、彼と劉備との同盟関係を強化しました。

[EX Q]: Assuming that the causal relationships are linear , this background knowledge can be expressed in the following structural equation model ( SEM ) specification .
[EX A]: 因果関係が線形であると仮定すると、この背景知識は次のSEM仕様（Structural Equalization Model）で表すことができます。

[EX Q]: The leaves are generally 1.5-4 mm long and 0.2-0.7 mm wide .
[EX A]:
葉は通常長さ1.5-4 mm、幅0.2-0.7 mmです。