It is probably more productive—for the time being, at least—to engageat the lower and midlevels.
在目前更有成效的也许是在中下层的接触。
2
A productive relationship requires that U.S. and Chinese policymakers engageat the highest levels in ways that lessen misperceptions and miscommunications.
要建立起富有成效的关系，需要美中两国的决策人进行最高级别的交流，减少错误的认识和错误的沟通。
3
This is due both to a lack of resources to properly address all the gaps, as well as a lack of involvement of all stakeholders and partners to engageat both the global and local levels.