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1. have difficulty (in) doing sth
结构：主语 + have difficulty (in) + 动名词
例句：
I have difficulty (in) u . . . 阅读详情
1. have difficulty (in) doing sth
结构：主语 + have difficulty (in) + 动名词
例句：
I have difficulty (in) u . . . 阅读详情
1. have difficulty (in) doing sth
结构: 主语 + have/has/had difficulty (in) + 动名词
例句:
She has difficu . . . 阅读详情
1. have difficulty (in) doing sth
结构: 主语 + have/has/had difficulty (in) + 动名词
例句:
She has difficu . . . 阅读详情