2014 (12)
2015 (56)
2018 (93)
2019 (72)
2020 (215)
2021 (523)
2022 (709)
2023 (653)
2024 (1464)
2025 (169)
川普說美國3步開放,答疫情記者會
If your material led to a different conclusion, i.e. filter 1 is better than filter 2 under one pressure but the opposite is true under another pressure, please leave comments
more details can be found here