have deep roots and luxuriant leaves—be well established and vigorously developing ❍ 我们两国人民之间的友谊～，并将万古长青。The friendship between our two peoples is now well established and vigorously developing. It will remain fresh forever.
根深叶茂gen shen ye mao
have deep roots and thick foliage—be well eastablished and flourishing
根深叶茂ɡēn shēn yè mào
茂：繁茂。根扎得深，叶子就繁茂。比喻基础牢固，就会兴旺发达。be well established and vigorously developing, have deep roots and luxuriant leaves, thick with leaves and deep-rooted