1·I had to be really persistent and it was very hard work.
我必须非常坚持，这是非常艰难的工作。
2·Their state is persistent and they can run over a long time.
其状态是持久性的，并且可以长时间地运行。
3·CDA documents are persistent and as a result are often quite large.
CDA文档是持久性文档，因此通常相当大。
4·Data — Components that provide access to persistent and other external data.
数据——提供对持久性数据和其他外部数据的访问的组件。
5·Dioxins, furans and metals are persistent and bio-accumulate in the environment.
二恶英、呋喃和金属具有持久性并可在环境中生物累积。
6·Some sites like Altrec use both persistent and shopping carts, which I recommend.
一些网站，如altrec同时运用持续购物车和永久购物车这两种技术，这也是我所推荐的。
7·Nigeria's power system was under pressure with persistent and frequent blackouts the norm.
其时，由于经常性的持续停电，尼日利亚的电力系统面临压力。
8·You will need to keep being persistent and use your willpower to really improve yourself.
你将需要一直保持和使用你的意志力来进行改变，这样你才能真正提高自己。
9·'I won't even tell my daughter [who is 11], although she is quite persistent and keeps asking.
‘我甚至不会告诉我女儿(11岁)，尽管她不停地问我。’
10·'I won't even tell my daughter [who is 11], although she is quite persistent and keeps asking.'
‘我甚至不会告诉我女儿(11岁)，尽管她不停地问我。’