Operation for heel spur removal is needed while necessary.
如需要，医生会为患有后跟骨刺患者进行手术。
The maintenance of a large inventory, while necessary, is not advantageous for many reasons.
虽然是必须的，但是由于许多原因，大库存的维护是不利的。
While this is a very nice feature, it is not a necessary component of SPT.
虽然这是一个相当好的特性，但它并不是SPT的必须部分。
While it can be tedious, it is a necessary evil of systems administration.
尽管它单调乏味、令人生厌，但它是系统管理所必需的。
Keep the amount of information to a minimum, while providing the necessary hierarchy.
应该尽可能减少信息量，同时提供必要的层次结构。
While many industry norms are questionable at best, agents provide necessary and important services.
尽管行业的许多规范往最好说，也值得疑问，但代理机构的确提供了必要而重要的服务。
While raising a Wolf cub it's necessary to follow several rules.
养育一只小狼需要遵循许多规则。
While warnings are often appropriate and necessary — the dangers of.
尽管警告常常是适当而且必须的——比如对于药物相互作用的危险提出。
And so, while gossip may not be nice, it may have once been necessary.
所以，虽然流言蜚语可能不是好事情，但它曾经却是“必不可少“的。
But while the snub shape may be attractive, it is not necessary a blessing.
尽管翘鼻子可能有魅力，但这未必是福。
At the same time, while compensating interns is necessary, it is not sufficient.
与此同时，尽管对实习生进行补偿是必要的，但这还不够。
Have a helper hold your pet, if necessary, while you complete the paw-printing process.
有必要的话请找个帮手帮你按着你的宠物。：D这样你就完成了这一步了。
Note that it's not always necessary to have creative logic, such as while...
注，并不总是需要有创造性逻辑，例如while...
But while the dispute over so not much necessary.
但是因此而发生的争执就没有太多必要了。
It's necessary to play with your dog for a while every day. You must walk him for at least an hour every day.
每天陪你的小狗玩一会儿是很有必要的。你应该至少每天陪它走一个小时。
While it is impossible to anticipate every public relations opportunity, planning is still necessary.
虽然不可能预料到每一个公关机会，然而规划仍然是必要的。
We find it necessary to get a map while traveling.
我们发现旅游时有一张地图很必要。
While some technology is necessary, it can get ridiculous.
有些科技虽然是必需的，但它们同时也可能是荒谬的。
While this ability may be "necessary" it is not "sufficient."
这一能力是需要的，但还不够。
I find it necessary to take down notes while listening.
我觉得作听力时有必要作笔记。
It is necessary to take a back-pack while hiking.
远足时有必要背双肩背包。
I find it necessary to get a map while traveling.
我发现在旅游时带张地图很有必要。
I find it necessary to get a map while traveling.
我感到旅行的时候有必要搞到一张地图。
For us, it's not necessary to love someone, while it's very important to have a love faith.
人不一定要去爱着谁，重在拥有一种爱的信念。
For us, it's not necessary to love someone, while it's very important to have a love faith.
人不一定要去爱着谁，重在拥有一种爱的信念。
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