However, if they had no idea about selling 1999, in the end they gritted their teeth and sold it according to the last price of 1999, and the response was still very good. But what makes me think about this is that there is a huge difference between making one product and making 10 million products, and it is also a problem faced by consumer goods companies. It may also be the case for the fund industry. How to make this matter sustainable, deterministic, and systematic in addition to focusing may be the only way for all funds.