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1. WHO says delays and shortages are driving African countries to slip further behind the rest of the world in the rollout of COVID-19 vaccines, with the continent accounting for only 1% of the vaccines administered worldwide so far.
account for 占
The social services account for a substantial part of public spending.
社会福利事业占了一大部分的公共支出。
2. Mexico's President Andres Manuel Lopez Obrador says that Mexico has complained to US officials about their alleged financing for anti-corruption group that he said has engaged in political activity against his administration.
engage in 参加；从事；忙于
Even in prison, he continued to engage in criminal activities.
他甚至在监狱里还继续从事犯罪活动。
