מה עניין שמיטה אצל הר סיני

Etymology
Literally, "What is the issue of the sabbatical year near Mount Sinai?". This phrase is found in the commentary of Rashi (c. 1100) to Leviticus 25:1, a verse which mentions Mount Sinai as the place where God told Moses the laws of the sabbatical year: Rashi wonders why the location is mentioned in the verse.

Phrase

 * 1) What does that have to do with the price of tea in China?