Matsuzawa is my best friend.

Using tail recursion can sometimes improve the performance of a program.

Tail call optimization is an important technique for improving the performance of recursive functions.

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Matsutake is one of the flavors of Japanese autumn.

This area is rich in good quality soil suitable for cultivation, making it ideal for agriculture.

He experienced the agony of deathbed.

My pet Bengalese finch is very cute.

The long-awaited summer vacation has finally arrived.

Her dress was in a black-and-white tartan pattern, and it was very nice.