once face difficult
一旦面对困难
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Egypt, African champions a record six times but World Cup qualifiers only once, face a difficult Group 12 assignment against the DR Congo in Kinshasa.
BBC: World Cup fates hang in balance
In our world, girls study just as hard as boys but face far more difficult choices once in the workplace.
CNN: Reproduction without sex, a liberating future
Never have we had to face so many difficult questions about our parents all at once.
FORBES: A new blog for all of us with aging parents
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