In most cases, whoever uses this phrase is thinking only in their own gain, and not in the benefit of the other, just as China is doing while promising aid to Costa Rica.
EDITORIAL
Interestingly, as soon as the issue of the failed oil refinery project to be built in partnership with a Chinese company is made public, the ambassador of that country appears in Costa Rica, carrying under his arm a portfolio of cooperation projects from its generous government to be carried out with the Central American nation (see article Crhoy.com "Solis said that China has more cooperation projects for Costa Rica").