Lenovo yoga 7 2 in 1 14 gen 9 amd July 8, 2019 16 32 64 128 Lenovo yoga 7 2 in 1 gen 9 14 型 amd Lenovo yoga 7 14 2 in 1 Lenovo yoga 7i 14 2-in-1 notebook core i7 Lenovo yoga 7i 2 in 1 Lenovo yoga 9i 14 2023