to obtain (a result) / to arrive at (a conclusion)
入手
rù shǒu
to begin (with ...) (typically used in a structure such as 從|从[cong2] + {noun} + 入手[ru4 shou3]: "to begin with {noun} / to take {noun} as one's starting point") / to receive / to obtain / to buy
换取
huàn qǔ
to obtain (sth) in exchange / to exchange (sth) for (sth else)