have problem (in) doing s th .做某事有困难
have problem (in) doing sth：做某事有困难 E.g. They have some problems in getting there on time.他们准时到达那儿有些困难
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have problem (in) doing sth：做某事有困难 E.g. They have some problems in getting there on time.他们准时到达那儿有些困难
