to establish trading relationships with another country
他国と貿易関係を築く (takoku to bōeki kankei o kizuku)
"The nation plans to set up trade ties with African economies."
"その国はアフリカ経済と貿易関係を築く計画です。" (Sono kuni wa Afurika keizai to bōeki kankei o kizuku keikaku desu.)
to experience problems or difficulties
to have less of something than needed
to accept and deal with difficult situations calmly
to relax after finishing something intense
to understand something deeply or clearly through experience
to ask someone earnestly or formally for help