直到不久前,这些研究都仅限于一些在基因上与人类相距甚远的短寿命生物。
Until fairly recently, the studies were limited to short-lived creatures genetically distant from humans.
但直到不久前,我内心从未这样认为。
But in my mind, I never believed that about myself, until very recently.
直到不久前,北京的默认态度还是对峙。
Until relatively recently, Beijing's default attitude was confrontational.
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