The continuing presence of American troops on Korean soil remains a very sore point with these students.
美国军队继续驻留在韩国领土依然是令这些学生极其恼怒的事情。
《柯林斯英汉双解大词典》
2
He's been conducting an experiment in Cameroon to prove his point: some corn grown in ordinary soil, some in soil with biochar and different combinations of fertiliser.
It was convenient for him to be able to point to the border incident over the tree as evidence of the need for his guerrillas to "resist Israel" and guard "Lebanon's holy soil".