We should be friendly to each other because we are brothers and sisters.
2
毕竟,我们是兄弟。
We are brothers after all.
3
我知道商签协议是一个复杂的过程,但是正因为我们是兄弟,兄弟虽有小忿,不废懿亲,问题总会可以解决的。
I understand the negotiation may be a complex process, but differences between brothers cannot sever their blood ties, and I believe that problems will eventually be solved。