刚开始学习外语总是很困难的，但是我会克服的。
Studying in a foreign language is always hard at the beginning, but I'll get over it.
不管矛盾、危机或情形多么困难，我总是记住清除过去的影响，并且开始解决问题，能这样做永远都不晚。
No matter how difficult the conflict, crisis or situation, I always remember that it's never too late to clear up the past and begin resolution.
如果需要栓塞多根分支，应总是从远端开始以避免血管痉挛导致后来的置管困难。
If several branches must be embolized, one should always tackle the most distal target first to avoid later loss of access due to vasospasm.
应用推荐