People don't have to waste their time and energy to go from one shop to another to buy commodities they like.
人们不必浪费他们的时间和精力去从一个商店到另一个去买他们喜欢的商品。
I watched him dispense free advice a few years ago: Get out of the dollar, teach your children Chinese and buy commodities.
几年前,笔者看到他在电视上免费提忠告:跟美元说拜拜,教孩子中文和购买商品期货。
On the other hand, shopping on the Internet may cause people to buy commodities that are not badly needed. It's a waste of money.
另一方面,网购会促使人们买一些不必要的商品,这很浪费钱。
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