APP “尽力;努力;费苦心;下功夫”,其中的great可省略,to后接inf:He took (great) pains to make sure that we enjoy ourselves.他努力使我们过得愉快。go to (great) pains/trouble (to ),go to great lengths (to )......（本文共 145 字） [阅读本文] >>
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“尽力;努力;费苦心;下功夫”,其中的great可省略,to后接inf:He took (great) pains to make sure that we enjoy ourselves.他努力使我们过得愉快。go to (great) pains/trouble (to ),go to great lengths (to )......（本文共 145 字） [阅读本文] >>
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