声调的产生反过来又促使松紧元音进一步松化，出现了元音长短音的萌芽。
The appearance of the tones allowed the lax and tense vowels more freedom, and then the long and short vowels came into being.
但通常情况下，客户需要在非模块化的环境中运行他们的模块，所以采用松耦合就是有问题的。
However, oftentimes customers need to preserve running their modules in a non-modular environment and so adopting Loose-Coupling is problematic.
尼克松任内最戏剧化的事件几乎完全发生在黑暗之中。
The most dramatic event of the Nixon presidency occurred in near obscurity.
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