It's like the part of the brain that's responsible for language learning is only around early in development and if you don't get your language by then it'll just run out.

就好像负责语言学习的大脑区域,只是在发展的早期比较活跃,如果你没有在这个时候获得语言,那你就没有机会了

耶鲁公开课 - 心理学导论课程节选

Leprosy usually becomes a chronic disease, Krahenbuhl explains, but it can be cured if it is treated with multiple drugs in the early stages, when the disease has only caused skin lesions.

CNN: Armadillos linked to leprosy in humans

If it loosens policy while markets are only in the early stages of adjusting and before the economic risks are real, it will seem like a reward for banks and hedge funds that took on too much risk.

ECONOMIST: The Fed lowers its discount rate

Although it may be in the very early stages, if it is not dealt with it could have very serious consequences, not only for the economy, but also the ecology of Strangford Lough.

BBC: Seas squirt invades Strangford Lough