There are two main interpretations of "how they replace the necklace" depending on context:

1. In jewelry repair, such as replacing a broken necklace clasp or chain, the process involves using tools like pliers to open a jump ring that connects the clasp to the chain. The damaged clasp or part is removed and replaced with a new clasp or chain segment. The jump ring is then carefully closed by twisting the ends together to secure the new clasp in place. Sometimes soldering is used for repairing chain breaks to restore the necklace without damaging it. This method allows the necklace to be wearable again without major replacement of components.

2. In the literary context of the story "The Necklace" by Guy de Maupassant, Mr. and Mrs. Loisel replace the lost necklace by purchasing a similar-looking diamond necklace (costing about 36,000 francs). To afford it, they borrow money, including high-interest loans, and endure years of hardship and poverty—working for about ten years to repay the debt from buying the replacement necklace. This sacrifice was made to avoid admitting the loss to the original owner and maintain appearances.

Which context is relevant here? Jewelry repair or the literary story's necklace replacement?