Probably between two-thirds and three-quarters of all cancers are preventable.
大略在三分之二到四分之三之间的癌症是可以预防的。
Across the sample, micro-firms, which employ ten people or less, make up about three-quarters of all firms.
根据样本,微型公司——雇佣了10个员工或更少的公司——占据了所有企业的四分之三。
Together, these nations account for roughly three-quarters of all global imports and exports and nearly 90 percent of global GDP.
这些国家加起来大约占世界进出口的四分之三和全球GDP的90%。
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