zài / fēng / yún / biàn / huàn / de / guó / jì / xíng / shì / xià / gè / guó / dōu / xū / yào / bǎo / chí / lěng / jìng在风云变幻的国际形势下,各国都需要保持冷静。In a changing international situation, every country needs to remain calm.