While battling drug cartels along the US-Mexico border will dominate discussions, Clinton also is expected to talk trade, climate change and the economy during her two-day-trip.

• 然而打击美国与墨西哥边境的毒品走私将主导这次谈话，克林顿还希望在她两天的行程中讨论贸易，气候变化及经济。