Given the task definition, example input & output, solve the new input case.
In this task, given a sentence in the English language, your task is to convert it into the Japanese language.
Example: Test subjects will be administered either a placebo or PA-457 that will be taken in combination with the medication they already take.
Output: 被験者は、彼らがすでに服用している薬剤と一緒に偽薬またはPA-457を与えられる。
The above sentence is correctly translated from English to Japanese.

New input case for you: Geological studies of the area affected most by erosion, Anambra, have concluded that the cost of implementing a project which could effectively slow erosion are estimated at US$2 billion.
Output:
浸食に最も影響されている地域であるアナンブラの地質研究は、効果的に浸食を減速させるプロジェクトを実行する費用を、20億米ドルと推定している。