老人往往靠十分微薄的收入艰难度日。
议案的第三部分是让法人团体起诉的难度增加。
A third part of the bill would make it harder for corporate bodies to Sue.
表达同情是十分必要而又有难度的技能。
你如果想做些更有难度的题目，我建议你试一下第三部分。
If you would like further challenges, I recommend trying those problems in section 3.
你如果想做些更有难度的题目，我建议你试一下第三部分。
If you would like further challenges, I recommend trying those problems in section 3.
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