Best practice: To save space in the analysis database, you should delete the output tables from older runs when they are no longer needed.
最佳实践：为节省分析数据库的空间，应当从旧有运行中删除不需要的输出表。
Astronauts needed a way to cleanse water they take up into space, since bacteria and sickness would be highly problematic.
宇航员需要一种能够将水进行净化是手段，从而防止细菌和污物带来的高风险。
Only their special space clothing would provide the air pressure they needed to stay alive.
只有特制的太空衣才能提供给他们生存所必须的大气压。
And it was by creating this safe place where others could share their secrets with me without judgment — anonymously — I think that space was something I needed just as much as they did.
通过创造这个安全的地方，大家可以匿名地向我分享他们的秘密，而我不会做任何评价。我认为我和他们一样需要这么一个地方。
Temporarily; for this present occasion EXAMPLE: the owners of the company knew they needed more space, but for the time being their small office was all they could afford.
公司老板知道，他们需要更多空间，但他们只负担得起目前这间小办公室。
They needed more warehouse space, so they bought up some of the empty houses around their pawnshop to use as warehouses.
由于需要扩大仓库，他买下了当铺周围的一些空房子当作库房。
The astronauts would be wearing bulky space suits, so they needed a flagpole that was easy to assemble and to plant in the ground.
宇航员的太空服笨重，所以旗杆需要易于组装，也便于插在地上。
They needed to show that the molecules are in space, that they have a unique and interesting molecular structure, and that they are associated with a faraway planetary nebula.
他们需要表现出来的几个关键点包括：首先，这种分子是在太空中；其次，它们有独特且有趣的结构；再者，它们和遥远的行星状星云有着密切联系。
The space for this memory is set aside in your process space at thread creation time, but the actual pages associated with that memory are not created until they are needed.
这些数据结构里面的大部分都是当你首次创建线程或者进程的时候被创建和初始化的，它们所需的代价成本很高，因为需要和内核交互。
Compare with these, the new expressions are more accurate and efficient. They can also reduce computer time and memory space needed when they are implemented by computers.
新表示法可以完全解决这些不足，比较准确有效，用计算机实现时，可以节省机时和内存。
They provided much-needed breathing space for a country hit by civil war and unrest.
他们为这个饱受内战和动乱之苦的国家提供了一个极需休养生息的空间。
They had more children so they needed more space.
他们有更多的孩子所以需要更多的空间。
They had more children so they needed more space.
他们有更多的孩子所以需要更多的空间。
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