recherches

In a sentence

• Je fais des recherches sur l'histoire médiévale.

  I am doing research on medieval history.

  In this sentence, 'recherches' is used in its literal sense to denote the action of in-depth studying or investigating a subject.

• Les recherches scientifiques ont besoin de financement adéquat.

  Scientific research requires adequate funding.

  Here, 'recherches' refers to the general work or context of scientific studies, showing its collective and professional connotation.

• Après plusieurs recherches, elle a trouvé un emploi qui lui convenait.

  After several searches, she found a job that suited her.

  In this context, 'recherches' is used to describe the act of searching or looking for something specific, like a job.