bilateral arrangement

基本解释

"A bilateral arrangement will be mutually binding and difficult to withdraw unilaterally, " he added.
他补充道：“只有签订双边协议才能互相约束，而且无法轻易的进行单方面取消。”
On your second question, as a bilateral arrangement, the Japan-US alliance should not harm the interests of any other countries including China.
关于第二个问题，日美同盟是一项双边安排，不应损害包括中国在内的其他国家的利益。
www.fmprc.gov.cn
As for other country's military presence in this region, we believe any bilateral arrangement should not hurt the interest of third parties including that of China's.
对于其他国家在本地区的军事存在，我们认为任何双边安排都不得损害包括中方在内的第三方利益。
www.fmprc.gov.cn