He proposed to himself to achieve what hitherto he had been promised in vain.
他决定要完成一件至今

望的事情。
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As a description of the next music director of an orchestra that has hitherto been led by musicians like Gustav Mahler and Pierre Boulez, that seems likely to have struck at least some Times readers as faint praise.
样去描述
个乐团的下一位指挥官,
个乐团迄今为止由Gustav Mahler and Pierre Boulez
样的音乐家担任过指挥,至少对于《时代》杂志的读者而言,
是一种苍白的表扬。
It thus seems plausible that the body contains a sophisticated, hitherto unperceived, mitochondrion-transfer network, in which some cells act as nurseries, releasing their products into the bloodstream for the benefit of cells that cannot generate enough mitochondria by themselves.
因此,似乎可以相信人体包含一个复杂的、迄今未被察觉的线粒体转移网络,其中某些细胞充当苗圃,将其产物释放到血液中,造福那些无法自行产生足够线粒体的细胞。
The earliest biological transformation—domestication—produced what was hitherto the biggest change in how humans lived their lives. This allowed new densities of settlement and new forms of social organisation: the market, the city, the state.
最早的生物转化——驯化,对人类生活方式产生了迄今为止最大的变化。
让更高密度的群居生活和全新的社会
构——市场、城市、国家——变得可能。