It is not unknown for valuable display items to go, ahem, missing.贵重的展品，呃哼，丢失的话，会众人皆知。Ahem, can I make a suggestion?呃哼，我可以提个建议吗？It can be a dangerous course of action which might be sound in theory but — ahem — perhaps a...
人们对农业上灭草剂和杀虫剂的用量非常担忧.There is a lot of concern over the amount of herbicides and pesticides used in farming.尽管此方法涉及使用灭草剂的化学药品来去除这些已存的青草.Still another involves using an herbicide chemical to kill the existing grass....