With interest rates so close to zero, Banks are having to cut their lending rates but have no room to drop their deposit rates further. Spreads compress as a result.
当利率接近零的时候，银行不得不削减贷款利率但是也没有再降低存款利率的余地，致使了收益差的压缩。
Unlike a conventional jet engine that uses a rotating compressor to compress air into the engine for combustion , this one has no moving parts.
传统的喷气式引擎利用旋转压气机将空气压缩进入引擎来燃烧，而这架飞机却完全没有运动的部分。
Unlike gases, liquids are difficult to compress because there is practically no free space between molecules.
液体不像气体，它难以压缩，因为实际上分子之间并没有空间。
Unlike gases, liquids are difficult to compress because there is practically no free space between molecules.
液体不像气体，它难以压缩，因为实际上分子之间并没有空间。
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