More and more Chinese mainland buyers have in the past few weeks been queuing to cross the border into Hong Kong to  _ growing financial pressure led by rising food prices at home. Their shopping baskets are full of sugar, salt and even tissue paper.          While prices are rising so fast, many people are worrying out ways to cut down their expenses. Du Zhenqi, an 80-year-old Beijinger, grows different vegetables in the community yard. But this year, before they turned ripe, they were all picked by his neighbors. "The prices of vegetables have gone up dramatically," said Du. "So I understand those people and it pleased me to offer them my help." Du expressed his sympathy for these who took away his vegetables without permission.           The rise of food price in China has made people with low incomes feel serious financial pressure and forced them to spend wisely.          A collection of practical money-saving tips is thus becoming increasingly popular among Chinese citizens. If you search "money-saving strategies" in Baidu, you will find 4.27 million entries in 0.19 seconds. The collection provides tips such as choosing local and seasonal products, avoiding buying vegetables on rainy or snowy days when higher transport costs increase prices, using websites for purchases, and planting vegetables on the balcony. Some consider buying in large quantity to stay within a tight budget.          Fei Yuqin, who lives in Shanghai, frequently hurries to a farmers' market before 6 a.m. to buy large amounts of vegetables for her family and neighbors. "Instead of buying small amounts, I buy large amounts of vegetables at the market and get a 50-percent discount."          With these tips, many people have become experts in cutting household expenses. However, financial pressure caused by the current round of price rising still troubles many Chinese people. The text is mainly about   _  .
a pleasant journey for mainland Chinese to Hong Kong practical strategies in cutting the household expenses some popular tips on using websites for purchases solutions to the problems happening in neighborhood