英訳に間違いが有れば正してください。
同じ処方薬の価格は、あなたがそれをどこで買うかによって、数百ドルあるいは数千ドルも変動する可能性があります。
The price of the same prescription drug can vary by hundreds or even thousands of dollars, depends on where you buy it.
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主節と従属節
答え dependsをdependingにする
The price of the same prescription drug can vary by hundreds or even thousands of dollars, depending on where you buy it.
depending on~
~次第で
主語に関係なく使える分詞構文、または二語で前置詞とも考えられる。
The price of the same prescription drug can vary by hundreds or even thousands of dollars, depending on where you buy it.
引用元
Prescription drug prices can vary by thousands of dollars depending on where you buy them
https://www.cbsnews.com/news/prescription-drug-prices-can-vary-by-thousands-of-dollars-depending-on-pharmacy/
https://www.cbsnews.com/